WELL I.D. LOCATION Page # WELL I.D. LOCATION Page #
MW17-2 Mine Unit 3 1 MW103 Mine Unit 2 13
MW18 Mine Unit 3 1 MW104 Mine Unit 2 13
MW19 Mine Unit 3 1 MW105 Mine Unit 2 13
MW20 Mine Unit 3 1 MW106 Mine Unit 2 13
MW23 Mine Unit 3 2 MW107 Mine Unit 2 14
MW24 Mine Unit 3 2 MW108 Mine Unit 2 14
MW25 Mine Unit 3 2 MW109 Mine Unit 2 14
MW26 Mine Unit 3 2 MW110 Mine Unit 2 14
MW27 Mine Unit 3 3 MW111 Mine Unit 2 15
MW28 Mine Unit 3 3 MW114 Mine Unit 3 15
MW29 Mine Unit 3 3 MW115 Mine Unit 3 15
MW30 Mine Unit 3 3 MW116 Mine Unit 3 15
MW31 Mine Unit 3 4 4MW-1 Mine Unit 4 16
MW32 Mine Unit 3 4 4MW-2 Mine Unit 4 16
MW35 Mine Unit 3 4 4MW-3 Mine Unit 4 16
MW36 Mine Unit 3 4 4MW-4 Mine Unit 4 16
MW37 Mine Unit 3 5 4MW-5 Mine Unit 4 17
MW38 Mine Unit 3 5 4MW-6 Mine Unit 4 17
MW39 Mine Unit 3 5 4MW-7 Mine Unit 4 17
MW40 Mine Unit 3 5 4MW-8 Mine Unit 4 17
MW41 Mine Unit 3 6 4MW-9 Mine Unit 4 18
MW42 Mine Unit 3 6 4MW-10 Mine Unit 4 18
MW43 Mine Unit 3 6 4MW-11 Mine Unit 4 18
MW44 Mine Unit 3 6 4MW-12 Mine Unit 4 18
MW45 Mine Unit 3 7 4MW-13 Mine Unit 4 19
MW62 Mine Unit 3 7 4MW-14 Mine Unit 4 19
MW63 Mine Unit 3 7 4MW-15 Mine Unit 4 19
MW64 Mine Unit 3 7 4MW-16 Mine Unit 4 19
MW73 Mine Unit 2 8 4MW-17 Mine Unit 4 20
MW74 Mine Unit 2 8 4MW-18 Mine Unit 4 20
MW75 Mine Unit 2 8 4MW-19 Mine Unit 4 20
MW76 Mine Unit 2 8 4MW-20 Mine Unit 4 20
MW77 Mine Unit 2 9 4MW-21 Mine Unit 4 21
MW78 Mine Unit 2 9 4MW-22 Mine Unit 4 21
MW79 Mine Unit 2 9 4MW-23 Mine Unit 4 21
MW80 Mine Unit 2 9 4MW-24 Mine Unit 4 21
MW81 Mine Unit 2 10 4MW-25 Mine Unit 4 22
MW82 Mine Unit 2 10 5MW1 Mine Unit 5 22
MW83 Mine Unit 2 10 5MW2 Mine Unit 5 22
MW84 Mine Unit 2 10 5MW3 Mine Unit 5 22
MW85 Mine Unit 2 11 5MW4 Mine Unit 5 23
MW86 Mine Unit 2 11 5MW5 Mine Unit 5 23
MW87 Mine Unit 2 11 5MW6 Mine Unit 5 23
MW88 Mine Unit 2 11 5MW7 Mine Unit 5 23
MW89 Mine Unit 2 12 5MW8 Mine Unit 5 24
MW90 Mine Unit 2 12 5MW10 Mine Unit 5 24
MW101 Mine Unit 2 12 5MW12 Mine Unit 5 24
MW102 Mine Unit 2 12 5MW14 Mine Unit 5 24
MONITOR AND TREND WELL INDEX
PERIMETER ORE ZONE
Index for Attachment B
January 2017
Page 1 of 6
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine No. 478
WELL I.D. LOCATION Page # WELL I.D. LOCATION Page #
5MW16 Mine Unit 5 25 6MW31 Mine Unit 6 41
5MW18 Mine Unit 5 25 6MW33 Mine Unit 6 41
5MW20 Mine Unit 5 25 6MW35 Mine Unit 6 41
5MW30A Mine Unit 5 25 6MW37 Mine Unit 6 42
5MW31 Mine Unit 5 26 6MW38 Mine Unit 6 42
5MW32A Mine Unit 5 26 6MW39 Mine Unit 6 42
5MW33 Mine Unit 5 27 6MW40 Mine Unit 6 42
5MW34 Mine Unit 5 27 6MW41 Mine Unit 6 43
5MW35A Mine Unit 5 28 6MW42 Mine Unit 6 43
5MW36 Mine Unit 5 28 6MW43 Mine Unit 6 43
5MW37 Mine Unit 5 29 6MW44 Mine Unit 6 43
5MW38 Mine Unit 5 29 6MW45 Mine Unit 6 44
5MW39A Mine Unit 5 30 6MW46 Mine Unit 6 44
5MW40 Mine Unit 5 30 6MW47 Mine Unit 6 44
5MW41A Mine Unit 5 31 6MW48-3 Mine Unit 6 44
5MW42 Mine Unit 5 31 6MW49 Mine Unit 6 45
5MW43 Mine Unit 5 32 6MW50 Mine Unit 6 45
5MW44 Mine Unit 5 32 6MW51 Mine Unit 6 45
5MW45 Mine Unit 5 33 6MW52 Mine Unit 6 45
5MW46 Mine Unit 5 33 6MW53 Mine Unit 6 46
5MW47B Mine Unit 5 34 6MW54 Mine Unit 6 46
5MW48 Mine Unit 5 34 7MW1 Mine Unit 7 46
5MW49 Mine Unit 5 34 7MW2 Mine Unit 7 47
5MW50 Mine Unit 5 35 7MW3 Mine Unit 7 47
5MW51 Mine Unit 5 35 7MW4 Mine Unit 7 48
5MW52 Mine Unit 5 35 7MW5 Mine Unit 7 48
5MW53 Mine Unit 5 35 7MW6 Mine Unit 7 49
5MW54 Mine Unit 5 36 7MW7 Mine Unit 7 49
5MW55 Mine Unit 5 36 7MW8 Mine Unit 7 50
5MW56 Mine Unit 5 36 7MW9 Mine Unit 7 50
5MW57 Mine Unit 5 36 7MW10 Mine Unit 7 51
5MW58 Mine Unit 5 37 7MW11 Mine Unit 7 51
5MW59 Mine Unit 5 37 7MW12 Mine Unit 7 52
5MW60 Mine Unit 5 37 7MW13 Mine Unit 7 52
5MW61 Mine Unit 5 37 7MW14 Mine Unit 7 53
5MW62 Mine Unit 5 38 7MW15 Mine Unit 7 53
5MW63 Mine Unit 5 38 7MW16 Mine Unit 7 54
5MW64 Mine Unit 5 38 7MW17 Mine Unit 7 54
5MW65 Mine Unit 5 38 7MW18 Mine Unit 7 55
5MW66 Mine Unit 5 39 7MW19 Mine Unit 7 55
5MW67 Mine Unit 5 39 7MW20 Mine Unit 7 56
5MW69 Mine Unit 5 39 7MW21 Mine Unit 7 56
6MW19 Mine Unit 6 39 7MW22 Mine Unit 7 57
6MW21 Mine Unit 6 40 7MW23 Mine Unit 7 57
6MW23 Mine Unit 6 40 7MW24 Mine Unit 7 58
6MW25 Mine Unit 6 40 7MW25 Mine Unit 7 58
6MW27 Mine Unit 6 40 7MW26 Mine Unit 7 59
6MW29 Mine Unit 6 41 7MW27 Mine Unit 7 59
MONITOR AND TREND WELL INDEX
PERIMETER ORE ZONE
Index for Attachment B
January 2017
Page 2 of 6
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine No. 478
WELL I.D. LOCATION Page # WELL I.D. LOCATION Page #
7MW28 Mine Unit 7 60 8MW36-A Mine Unit 8 78
7MW29 Mine Unit 7 60 8MW37-A Mine Unit 8 78
7MW30 Mine Unit 7 61 8MW38 Mine Unit 8 78
7MW31 Mine Unit 7 61 8MW39A Mine Unit 8 79
7MW32 Mine Unit 7 62 8MW40-A Mine Unit 8 79
7MW33 Mine Unit 7 62 8MW41-B Mine Unit 8 79
7MW34 Mine Unit 7 63 8MW42 Mine Unit 8 80
7MW35 Mine Unit 7 63 8MW43-A Mine Unit 8 80
7MW39-2 Mine Unit 7 64 8MW44 Mine Unit 8 80
7MW40 Mine Unit 7 64 8MW45 Mine Unit 8 81
7MW41 Mine Unit 7 65 8MW46 Mine Unit 8 81
7MW42 Mine Unit 7 65 8MW47A Mine Unit 8 81
7MW43 Mine Unit 7 66 8MW48 Mine Unit 8 82
8MW-1 Mine Unit 8 66 8MW49 Mine Unit 8 82
8MW2 Mine Unit 8 66 8MW50 Mine Unit 8 82
8MW3 Mine Unit 8 67 8MW51 Mine Unit 8 83
8MW4 Mine Unit 8 67 8MW52 Mine Unit 8 83
8MW5 Mine Unit 8 67 8MW53 Mine Unit 8 83
8MW6 Mine Unit 8 68 8MW54 Mine Unit 8 84
8MW7-A Mine Unit 8 68 10MW1 Mine Unit 10 84
8MW8 Mine Unit 8 68 10MW2 Mine Unit 10 84
8MW9 Mine Unit 8 69 10MW3 Mine Unit 10 85
8MW10 Mine Unit 8 69 10MW4 Mine Unit 10 85
8MW11 Mine Unit 8 69 10MW5 Mine Unit 10 85
8MW12-A Mine Unit 8 70 10MW6 Mine Unit 10 86
8MW13 Mine Unit 8 70 10MW7 Mine Unit 10 86
8MW14 Mine Unit 8 70 10MW8 Mine Unit 10 86
8MW15 Mine Unit 8 71 10MW9 Mine Unit 10 87
8MW16 Mine Unit 8 71 10MW10 Mine Unit 10 87
8MW17 Mine Unit 8 71 10MW11 Mine Unit 10 87
8MW18 Mine Unit 8 72 10MW12 Mine Unit 10 88
8MW19 Mine Unit 8 72 10MW13 Mine Unit 10 88
8MW20 Mine Unit 8 72 10MW14 Mine Unit 10 88
8MW21 Mine Unit 8 73 10MW15 Mine Unit 10 89
8MW22-A Mine Unit 8 73 10MW16 Mine Unit 10 89
8MW23 Mine Unit 8 73 10MW17 Mine Unit 10 89
8MW24 Mine Unit 8 74 10MW18 Mine Unit 10 90
8MW25 Mine Unit 8 74 10MW19 Mine Unit 10 90
8MW26-B Mine Unit 8 74 10MW20 Mine Unit 10 90
8MW27 Mine Unit 8 75 10MW21 Mine Unit 10 91
8MW28 Mine Unit 8 75 10MW22 Mine Unit 10 91
8MW29-C Mine Unit 8 75 10MW23 Mine Unit 10 91
8MW30-B Mine Unit 8 76 10MW24 Mine Unit 10 92
8MW31 Mine Unit 8 76 10MW25 Mine Unit 10 92
8MW32-A Mine Unit 8 76 10MW26 Mine Unit 10 92
8MW33-A Mine Unit 8 77 10MW27 Mine Unit 10 93
8MW34-B Mine Unit 8 77 10MW28 Mine Unit 10 93
8MW35-A Mine Unit 8 77 10MW29 Mine Unit 10 93
MONITOR AND TREND WELL INDEX
PERIMETER ORE ZONE
MONITOR AND TREND WELL INDEX
Index for Attachment B
January 2017
Page 3 of 6
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine No. 478
WELL I.D. LOCATION Page # WELL I.D. LOCATION Page #
10MW30A Mine Unit 10 94 5SM3 Mine Unit 5 107
10MW31 Mine Unit 10 94 5SM5 Mine Unit 5 107
10MW32 Mine Unit 10 94 5SM6 Mine Unit 5 107
10MW33 Mine Unit 10 95 5SM7 Mine Unit 5 108
10MW34 Mine Unit 10 95 6SM1 Mine Unit 6 108
10MW35 Mine Unit 10 95 6SM2 Mine Unit 6 108
10MW36 Mine Unit 10 96 6SM3 Mine Unit 6 108
10MW37 Mine Unit 10 96 6SM4 Mine Unit 6 109
10MW38 Mine Unit 10 96 6SM5 Mine Unit 6 109
10MW39 Mine Unit 10 97 6SM6 Mine Unit 6 109
10MW40 Mine Unit 10 97 6SM7 Mine Unit 6 109
10MW41 Mine Unit 10 97 6SM8 Mine Unit 6 110
10MW42 Mine Unit 10 98 6SM9 Mine Unit 6 110
10MW43 Mine Unit 10 98 6SM10 Mine Unit 6 110
10MW44 Mine Unit 10 98 6SM11 Mine Unit 6 110
10MW45 Mine Unit 10 99 6SM12 Mine Unit 6 111
10MW46 Mine Unit 10 99 6SM13 Mine Unit 6 111
10MW47 Mine Unit 10 99 6SM14 Mine Unit 6 111
10MW48 Mine Unit 10 100 7SM1 Mine Unit 7 111
7SM10 Mine Unit 7 112
7SM11 Mine Unit 7 112
7SM12 Mine Unit 7 113
WELL I.D. LOCATION Page # 7SM13 Mine Unit 7 113
MW-11S Mine Unit 5 101 7SM2 Mine Unit 7 114
MW46S Mine Unit 3 101 7SM3 Mine Unit 7 114
MW48S Mine Unit 3 101 7SM4 Mine Unit 7 115
MW50S Mine Unit 3 101 7SM5 Mine Unit 7 115
MW52S Mine Unit 3 102 7SM6 Mine Unit 7 116
MW54S Mine Unit 3 102 7SM7 Mine Unit 7 116
MW56S Mine Unit 3 102 7SM8 Mine Unit 7 117
MW58S Mine Unit 3 102 7SM9 Mine Unit 7 117
MW66S-2 Mine Unit 3 103 8SM1 Mine Unit 8 117
MW68S Mine Unit 2 103 8SM2 Mine Unit 8 118
MW70S Mine Unit 2 103 8SM3 Mine Unit 8 118
MW72S Mine Unit 2 103 8SM4-A Mine Unit 8 118
MW92S Mine Unit 2 104 8SM5-A Mine Unit 8 119
MW94S Mine Unit 2 104 8SM8 Mine Unit 8 119
MW96S Mine Unit 2 104 8SM9 Mine Unit 8 119
MW98S Mine Unit 2 104 8SM10 Mine Unit 8 120
MW100S Mine Unit 2 105 8SM11 Mine Unit 8 120
MW112S Mine Unit 2 105 8SM12 Mine Unit 8 120
MW117S Mine Unit 2 105 8SM13 Mine Unit 8 121
4SM-1 Mine Unit 4 105 8SM-14 Mine Unit 8 121
4SM-4 Mine Unit 4 106 10SM1 Mine Unit 10 121
4SM-8 Mine Unit 4 106 10SM2 Mine Unit 10 122
4SRM-07 Mine Unit 4 106 10SM3 Mine Unit 10 122
5SM1 Mine Unit 5 106 10SM4 Mine Unit 10 122
5SM2 Mine Unit 5 107 10SM5 Mine Unit 10 123
PERIMETER ORE ZONE INTERIOR SHALLOW SAND
INTERIOR SHALLOW SAND
Index for Attachment B
January 2017
Page 4 of 6
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine No. 478
WELL I.D. LOCATION Page # WELL I.D. LOCATION Page #
10SM6 Mine Unit 10 123 6DM1 Mine Unit 6 135
10SM7 Mine Unit 10 123 6DM2 Mine Unit 6 135
10SM8 Mine Unit 10 124 6DM3-2 Mine Unit 6 135
10SM9 Mine Unit 10 124 6DM4-2 Mine Unit 6 135
10SM10 Mine Unit 10 124 6DM5 Mine Unit 6 136
10SM11 Mine Unit 10 125 6DM6 Mine Unit 6 136
10SM12 Mine Unit 10 125 6DM7 Mine Unit 6 136
6DM8 Mine Unit 6 136
6DM9 Mine Unit 6 137
6DM10 Mine Unit 6 137
WELL I.D. LOCATION Page # 6DM11 Mine Unit 6 137
MW-12D Mine Unit 5 126 6DM12 Mine Unit 6 137
MW45D Mine Unit 3 126 6DM13 Mine Unit 6 138
MW47D Mine Unit 3 126 6DM14 Mine Unit 6 138
MW49D Mine Unit 3 126 7DM1 Mine Unit 7 138
MW51D Mine Unit 3 127 7DM2 Mine Unit 7 139
MW53D Mine Unit 3 127 7DM3B Mine Unit 7 139
MW55D Mine Unit 3 127 7DM4B Mine Unit 7 140
MW57D Mine Unit 3 127 8DM3 Mine Unit 8 140
MW65D Mine Unit 3 128 8DM4-A Mine Unit 8 140
MW67D Mine Unit 2 128 8DM5-B Mine Unit 8 141
MW69D Mine Unit 2 128 8DM6-A Mine Unit 8 141
MW71D Mine Unit 2 128 8DM7 Mine Unit 8 141
MW91D Mine Unit 2 129 8DM8B Mine Unit 8 142
MW93D Mine Unit 2 129 8DM9-A Mine Unit 8 142
MW95D Mine Unit 2 129 8DM10 Mine Unit 8 142
MW97D Mine Unit 2 129 8DM-11 Mine Unit 8 143
MW99D Mine Unit 2 130 8DM-14 Mine Unit 8 143
MW113D Mine Unit 2 130
4DM-1 Mine Unit 4 130
4DM-4 Mine Unit 4 130
4DM-8 Mine Unit 4 131 WELL I.D. LOCATION Page #
4DRM-07 Mine Unit 4 131 MW87T Mine Unit 2 144
5DM1A Mine Unit 5 131 5TW-1 Mine Unit 5 144
5DM2 Mine Unit 5 131 6TW1 Mine Unit 6 144
5DM3 Mine Unit 5 132 6TW2 Mine Unit 6 144
5DM4 Mine Unit 5 132 6TW3 Mine Unit 6 145
5DM5 Mine Unit 5 132 6TW4 Mine Unit 6 145
5DM7 Mine Unit 5 132 6TW5 Mine Unit 6 145
WCOW-37D Mine Unit 5 133 7TW1 Mine Unit 7 145
7TW2 Mine Unit 7 146
7TW3 Mine Unit 7 146
7TW4 Mine Unit 7 147
WELL I.D. LOCATION Page # 7TW5 Mine Unit 7 147
WCOW-04 Mine Unit 5 134 7TW6 Mine Unit 7 148
MONITOR AND TREND WELL INDEX
INTERIOR SHALLOW SAND INTERIOR DEEP SAND
INTERIOR DEEP SAND
PERIMETER ORE ZONE TREND
INTERIOR SHALLOW SAND
Index for Attachment B
January 2017
Page 5 of 6
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine No. 478
WELL I.D. LOCATION Page #
6DT1 Mine Unit 6 149
WELL I.D. LOCATION Page #
5DM8T Mine Unit 5 150
5DM9T Mine Unit 5 150
5AH57-1 Mine Unit 5 150
5AG70-1 Mine Unit 5 151
5AW54-2 Mine Unit 5 151
5AV46-1 Mine Unit 5 152
PERIMETER ORE ZONE TREND
MONITOR AND TREND WELL INDEX
INTERIOR DEEP SAND TREND
Index for Attachment B
January 2017
Page 6 of 6
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine No. 478
Mine Unit 3 For time period
Well I.D. MW17-2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4575.5
Date
10/14/2016 9.3 628 91.4 8.8 4562.3
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW18
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4575.4
Date
10/06/2016 10.6 684 92.6 8.3 4559.7
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW19
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4573.2
Date
10/06/2016 10.3 688 94.0 8.1 4558.6
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW20
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4574.8
Date
10/06/2016 10.6 683 92.6 8.3 4556.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 7 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 3 For time period
Well I.D. MW23
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4568.7
Date
10/06/2016 10.8 709 107.5 8.5 4550.5
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW24
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4567.5
Date
10/06/2016 10.6 687 100.5 8.3 4550.4
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW25
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4566.6
Date
10/06/2016 10.8 674 90.9 8.3 4550.9
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW26
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4568.6
Date
10/06/2016 11.0 688 91.4 8.3 4553.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 8 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 3 For time period
Well I.D. MW27
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4567.7
Date
11/16/2016 21.7 * 771 118.8 8.3 4558.6
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW28
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4576.8
Date
10/06/2016 10.4 689 94.3 8.3 4560.9
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW29
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4579.5
Date
10/06/2016 11.0 679 94.5 8.3 4563.7
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW30
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4580.4
Date
10/06/2016 10.8 685 94.8 8.3 4566.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 9 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 3 For time period
Well I.D. MW31
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4576.4
Date
10/06/2016 10.3 689 96.8 8.3 4570.3
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW32
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4576.3
Date
10/06/2016 10.8 687 98.3 8.3 4573.4
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW35
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4582.4
Date
11/16/2016 19.5 * 726 111.4 8.3 4564.1
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW36
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4585.5
Date
10/14/2016 9.1 640 99.5 8.6 4572.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 10 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 3 For time period
Well I.D. MW37
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4579.7
Date
10/14/2016 10.3 644 100.3 8.6 4564.5
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW38
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4575.3
Date
10/14/2016 13.0 652 98.8 8.6 4563.5
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW39
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4575.3
Date
10/14/2016 13.1 643 97.4 8.6 4563.5
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW40
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4574.6
Date
11/22/2016 10.3 666 98.0 8.5 4564.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 11 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 3 For time period
Well I.D. MW41
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4572.3
Date
10/06/2016 10.6 690 100.8 8.3 4576.4
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW42
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4581.3
Date
10/06/2016 9.9 683 97.5 8.3 4579.0
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW43
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4589.4
Date
10/06/2016 9.4 681 98.3 8.3 4582.3
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW44
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4581.5
Date
10/14/2016 9.8 635 95.0 8.6 4566.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 12 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 3 For time period
Well I.D. MW45
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7 4576.0
Date
10/14/2016 11.1 651 99.0 8.6 4568.3
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW62
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7
Date
11/22/2016 9.5 665 94.0 8.8 4573.7
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW63
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7
Date
11/22/2016 10.0 675 92.5 8.8 4582.2
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW64
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7
Date
11/22/2016 9.0 678 97.4 8.5 4581.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 13 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW73
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/03/2016 9.5 704 94.1 8.6 4570.0
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW74
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/03/2016 10.1 728 94.5 8.8 4569.7
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW75
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/03/2016 9.3 728 95.6 8.6 4568.1
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW76
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/03/2016 8.8 766 94.1 8.5 4569.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 14 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW77
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/03/2016 8.5 777 92.4 8.3 4568.3
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW78
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/03/2016 8.8 760 95.0 8.5 4562.9
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW79
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/03/2016 8.8 761 94.4 8.3 4559.9
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW80
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/02/2016 9.3 699 94.4 8.3 4555.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 15 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW81
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/02/2016 9.3 705 93.0 8.5 4554.6
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW82
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/11/2016 9.6 649 91.0 8.5 4547.3
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW83
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/11/2016 12.6 664 93.8 8.6 4548.1
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW84
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/23/2016 13.6 779 145.1 * 8.3 4544.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 16 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW85
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/11/2016 13.3 671 96.3 8.6 4548.0
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW86
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/11/2016 9.8 665 95.0 8.3 4549.6
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW87
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/11/2016 10.1 668 97.4 8.3 4551.9
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW88
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/11/2016 9.6 670 93.8 8.5 4554.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 17 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW89
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/22/2016 13.6 756 119.0 8.3 4554.5
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW90
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 823 121.3
Date
11/02/2016 9.3 716 93.3 8.3 4552.1
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW101
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.6 778 124.6
Date
11/02/2016 9.6 697 91.1 8.3 4549.6
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW102
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.6 778 124.6
Date
11/02/2016 9.8 714 91.8 8.3 4545.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 18 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW103
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.6 778 124.6
Date
11/02/2016 9.3 713 91.0 8.5 4546.0
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW104
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.6 778 124.6
Date
11/16/2016 9.1 717 91.4 8.6 4541.8
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW105
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.6 778 124.6
Date
11/16/2016 9.3 715 93.5 8.5 4539.3
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW106
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.6 778 124.6
Date
11/16/2016 9.5 704 92.6 8.5 4539.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 19 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW107
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.6 778 124.6
Date
12/22/2016 13.3 * 691 99.0 8.5 4539.0
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW108
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.6 778 124.6
Date
10/19/2016 13.1 * 721 105.6 8.1 4536.5
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW109
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.6 778 124.6
Date
11/02/2016 9.1 686 99.5 8.5 4537.1
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW110
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.6 778 124.6
Date
11/16/2016 10.3 690 90.9 8.6 4539.9
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 20 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW111
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.6 778 124.6
Date
11/16/2016 10.3 616 91.4 8.6 4541.9
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW114
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7
Date
10/06/2016 10.6 684 95.0 8.3 4554.6
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW115
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7
Date
10/06/2016 10.1 687 98.1 8.3 4551.6
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW116
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.4 777 129.7
Date
10/06/2016 14.1 * 703 126.1 8.3 4551.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 21 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 4 For time period
Well I.D. 4MW-1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4559.0
Date
12/07/2016 15.6 * 746 104.6 8.3 4569.1
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4563.9
Date
11/22/2016 9.0 682 98.4 8.5 4584.3
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4564.5
Date
12/08/2016 39.4 * 823 106.9 8.4 4569.5
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4574.6
Date
11/22/2016 8.6 696 101.8 8.3 4587.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 22 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 4 For time period
Well I.D. 4MW-5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4570.3
Date
11/22/2016 9.7 699 97.8 8.5 4581.2
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-6
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4583.8
Date
11/22/2016 9.0 691 99.0 8.5 4590.4
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-7
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4575.9
Date
11/22/2016 9.1 695 95.3 8.6 4583.0
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4586.1
Date
11/22/2016 9.6 696 101.1 8.3 4588.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 23 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 4 For time period
Well I.D. 4MW-9
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4581.3
Date
11/22/2016 8.6 696 95.4 8.3 4584.2
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-10
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4588.6
Date
11/22/2016 9.1 696 98.9 8.5 4591.0
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-11
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4586.5
Date
11/22/2016 9.6 692 95.3 8.5 4585.5
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-12
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4594.1
Date
11/22/2016 9.0 702 100.9 8.6 4592.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 24 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 4 For time period
Well I.D. 4MW-13
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4586.2
Date
11/23/2016 16.2 * 716 96.8 8.5 4588.0
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-14
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4593.9
Date
11/22/2016 8.8 702 101.7 8.3 4594.7
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-15
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4587.9
Date
11/22/2016 9.5 692 94.3 8.3 4587.5
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-16
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4597.7
Date
11/22/2016 8.7 694 102.0 8.5 4595.7
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 25 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 4 For time period
Well I.D. 4MW-17
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4590.3
Date
11/22/2016 15.6 * 749 105.1 8.5 4589.1
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-18
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4598.2
Date
11/22/2016 9.6 705 101.5 8.3 4595.4
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-19
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4591.7
Date
11/23/2016 13.1 * 707 102.5 8.3 4589.7
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-20
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4604.4
Date
11/22/2016 8.8 705 102.5 8.3 4598.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 26 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 4 For time period
Well I.D. 4MW-21
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4593.5
Date
11/22/2016 9.8 690 95.6 8.3 4590.3
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-22
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4603.3
Date
11/22/2016 9.5 707 100.2 8.3 4597.1
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-23
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4595.5
Date
11/22/2016 9.0 699 97.9 8.3 4591.5
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4MW-24
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4602.6
Date
11/22/2016 9.7 701 99.0 8.3 4595.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 27 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 4 For time period
Well I.D. 4MW-25
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 11.1 825 116.9 4599.7
Date
11/22/2016 9.5 718 100.3 8.3 4593.3
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4641.0
Date
11/30/2016 7.9 848 95.5 8.3 4630.4
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4636.1
Date
11/23/2016 22.7 956 105.9 8.3 4626.4
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4640.6
Date
11/30/2016 7.6 859 92.8 8.3 4630.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 28 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4638.5
Date
11/23/2016 11.0 1048 * 120.3 8.3 4628.4
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4638.0
Date
11/30/2016 7.6 863 94.1 8.3 4628.3
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW6
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4638.0
Date
11/30/2016 9.3 924 110.8 8.3 4628.0
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW7
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4635.4
Date
11/30/2016 7.6 892 91.8 8.3 4626.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 29 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.0 1423 122.5 4637.8
Date
10/06/2016 17.5 1255 248.3 * 7.8 4629.7
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW10
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4668.9
Date
11/30/2016 8.6 746 103.6 8.3 4627.7
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW12
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.8 1725 145.4 4661.5
Date
11/30/2016 8.6 840 108.9 8.1 4623.2
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW14
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4659.7
Date
11/30/2016 9.0 724 106.5 8.5 4622.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 30 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW16
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4630.9
Date
11/30/2016 8.6 751 102.5 8.3 4622.6
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW18
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4627.8
Date
11/30/2016 7.5 858 93.0 8.3 4620.3
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW20
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4633.1
Date
11/30/2016 7.3 899 91.5 8.3 4624.2
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW30A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4622.6
Date
10/04/2016 9.0 652 108.8 8.8 4614.1
10/18/2016 9.1 679 110.9 8.6 4613.3
11/01/2016 9.1 679 113.1 8.6 4613.8
11/15/2016 9.1 643 112.4 8.6 4614.9
11/29/2016 8.8 687 109.4 8.5 4614.1
12/14/2016 8.6 673 109.5 8.3 4613.5
12/29/2016 9.1 673 107.5 8.5 4611.9
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 31 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW31
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4623.5
Date
10/04/2016 8.8 660 104.8 8.8 4614.2
10/18/2016 8.8 682 104.3 8.6 4613.6
11/01/2016 8.5 679 105.0 8.6 4613.9
11/15/2016 8.8 634 105.1 8.6 4614.9
11/29/2016 8.5 675 101.5 8.5 4614.4
12/14/2016 8.5 669 101.6 8.5 4613.7
12/29/2016 8.6 673 101.9 8.6 4612.6
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW32A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4625.8
Date
10/03/2016 8.3 641 103.4 8.6 4614.5
10/18/2016 8.5 682 103.6 8.6 4614.0
10/31/2016 8.3 680 103.3 8.5 4614.1
11/14/2016 8.0 695 102.0 8.5 4615.2
11/28/2016 7.9 689 104.0 8.5 4615.0
12/13/2016 8.3 679 102.1 8.3 4614.2
12/28/2016 7.9 650 101.1 8.5 4612.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 32 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW33
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4624.5
Date
10/04/2016 8.8 668 103.8 8.8 4614.6
10/18/2016 8.8 692 102.1 8.6 4614.0
11/01/2016 8.6 681 102.1 8.5 4614.2
11/14/2016 8.8 679 102.0 8.5 4615.4
11/29/2016 8.5 684 100.1 8.5 4614.9
12/14/2016 8.3 677 100.5 8.3 4614.3
12/29/2016 8.3 676 101.9 8.6 4613.3
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW34
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4629.9
Date
10/03/2016 8.8 650 108.8 8.6 4615.1
10/18/2016 8.8 692 108.0 8.6 4614.7
10/31/2016 8.6 687 109.4 8.5 4614.9
11/14/2016 8.5 700 108.6 8.3 4615.9
11/28/2016 8.3 652 109.1 8.3 4615.6
12/13/2016 8.6 690 105.8 8.3 4614.9
12/28/2016 8.1 660 106.6 8.5 4613.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 33 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW35A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4626.1
Date
10/03/2016 8.8 629 102.3 8.6 4615.2
10/18/2016 8.8 675 101.5 8.6 4614.6
11/01/2016 8.5 679 102.1 8.6 4615.2
11/14/2016 8.8 689 104.0 8.5 4616.4
11/29/2016 8.6 687 103.8 8.5 4615.8
12/13/2016 8.8 676 103.3 8.3 4615.9
12/29/2016 8.8 679 104.3 8.6 4615.0
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW36
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4625.7
Date
10/03/2016 9.5 678 127.5 8.6 4616.0
10/18/2016 9.3 721 130.0 8.5 4615.6
10/31/2016 9.6 719 125.0 8.3 4616.0
11/14/2016 10.1 729 128.1 8.3 4617.3
11/28/2016 9.3 683 124.4 8.3 4616.6
12/13/2016 9.8 726 125.4 8.3 4616.0
12/28/2016 9.1 689 124.6 8.5 4613.9
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 34 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW37
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4633.7
Date
10/03/2016 8.6 636 104.3 8.6 4615.9
10/18/2016 8.8 681 105.0 8.6 4614.9
11/01/2016 8.5 691 104.5 8.6 4616.4
11/14/2016 8.8 689 104.4 8.5 4617.5
11/29/2016 8.6 684 102.8 8.5 4616.8
12/13/2016 8.6 689 103.0 8.3 4616.6
12/29/2016 8.6 681 105.5 8.6 4615.6
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW38
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4627.7
Date
10/03/2016 14.1 862 210.5 * 8.1 4617.2
10/18/2016 13.8 912 204.6 * 8.1 4616.8
10/31/2016 14.3 937 218.7 * 8.0 4617.2
11/14/2016 14.6 949 232.1 * 7.9 4618.4
11/28/2016 14.8 913 222.3 * 7.9 4617.8
12/13/2016 13.8 942 212.6 * 7.9 4616.7
12/28/2016 14.6 930 224.1 * 8.1 4614.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 35 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW39A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4623.8
Date
10/03/2016 10.1 651 110.5 8.6 4616.4
10/18/2016 10.3 691 111.0 8.6 4615.8
10/31/2016 10.0 694 111.5 8.5 4617.8
11/14/2016 9.1 704 108.0 8.5 4619.0
11/28/2016 8.6 657 106.8 8.5 4618.2
12/13/2016 8.8 694 108.6 8.3 4617.9
12/28/2016 8.6 665 106.0 8.5 4616.9
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW40
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4627.3
Date
10/03/2016 9.0 662 118.5 8.6 4617.7
10/18/2016 8.8 702 116.1 8.6 4617.3
10/31/2016 8.8 703 115.8 8.5 4617.8
11/14/2016 8.8 720 118.3 8.3 4618.9
11/28/2016 8.6 715 115.5 8.3 4618.3
12/13/2016 9.0 704 110.5 8.3 4617.4
12/28/2016 8.6 667 110.1 8.5 4615.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 36 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW41A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4633.6
Date
10/03/2016 8.1 641 106.1 8.6 4619.0
10/18/2016 8.6 680 108.0 8.6 4618.3
10/31/2016 8.5 681 105.8 8.3 4619.9
11/14/2016 8.3 697 104.8 8.3 4621.3
11/28/2016 8.3 692 106.1 8.3 4620.5
12/13/2016 8.1 688 104.4 8.3 4620.2
12/28/2016 7.9 657 106.5 8.5 4619.3
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW42
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4631.0
Date
10/03/2016 8.8 649 110.0 8.6 4620.0
10/18/2016 8.5 690 109.1 8.6 4619.5
10/31/2016 8.6 688 112.1 8.5 4620.1
11/14/2016 8.8 710 110.4 8.5 4621.2
11/28/2016 8.6 698 107.5 8.5 4620.5
12/13/2016 8.5 690 108.8 8.3 4619.9
12/28/2016 8.5 662 107.3 8.5 4617.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 37 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW43
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4619.8
Date
10/03/2016 8.3 650 111.1 8.6 4620.6
10/18/2016 8.6 691 111.5 8.6 4620.1
10/31/2016 8.6 687 107.5 8.5 4621.5
11/14/2016 8.6 715 111.1 8.5 4622.9
11/28/2016 8.3 693 107.8 8.5 4622.2
12/13/2016 7.8 691 108.0 8.3 4621.9
12/28/2016 8.0 666 108.4 8.5 4621.1
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW44
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4630.6
Date
10/03/2016 8.8 651 108.0 8.6 4619.1
10/19/2016 8.6 684 105.8 8.5 4618.0
10/31/2016 8.6 683 106.0 8.5 4620.0
11/14/2016 9.0 707 108.9 8.5 4621.2
11/28/2016 8.8 691 108.0 8.5 4620.1
12/13/2016 8.6 690 106.1 8.3 4619.6
12/28/2016 8.6 664 108.5 8.5 4616.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 38 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW45
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4636.0
Date
10/03/2016 8.1 688 111.4 8.6 4622.9
10/18/2016 7.9 690 112.0 8.5 4622.4
10/31/2016 7.8 689 112.3 8.3 4623.8
11/14/2016 7.8 680 111.0 8.3 4625.1
11/28/2016 7.9 698 111.0 8.3 4624.5
12/13/2016 7.6 721 111.0 8.3 4624.2
12/29/2016 8.0 702 111.1 8.5 4623.2
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW46
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4633.5
Date
10/03/2016 8.6 650 112.5 8.6 4618.8
10/18/2016 8.8 710 109.1 8.6 4618.6
10/31/2016 8.3 703 113.0 8.5 4621.1
11/14/2016 7.6 713 112.0 8.3 4622.0
11/28/2016 8.3 701 109.9 8.5 4621.6
12/13/2016 8.3 717 108.3 8.3 4620.6
12/28/2016 8.1 689 110.0 8.5 4618.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 39 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW47B
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4642.1
Date
10/03/2016 7.6 656 113.0 8.6 4627.3
10/18/2016 7.6 699 114.9 8.6 4627.0
10/31/2016 7.6 704 113.1 8.6 4627.5
11/14/2016 8.3 716 111.5 8.5 4628.6
11/28/2016 7.8 704 112.4 8.6 4627.5
12/13/2016 7.5 715 111.6 8.3 4627.9
12/29/2016 7.5 702 112.0 8.6 4627.2
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW48
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4635.3
Date
10/03/2016 17.3 738 173.6 * 8.5 4620.9
10/18/2016 17.8 780 176.3 * 8.3 4620.5
10/31/2016 17.3 797 168.6 * 8.3 4622.2
11/14/2016 17.7 777 167.9 * 8.6 4623.3
11/28/2016 17.3 804 164.8 * 8.1 4622.3
12/13/2016 17.6 804 164.3 * 8.1 4622.0
12/28/2016 17.5 802 166.4 * 8.3 4620.7
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW49
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4614.8
Date
11/23/2016 8.3 717 113.3 8.5 4629.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 40 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW50
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4635.5
Date
11/30/2016 8.6 714 111.9 8.5 4618.0
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW51
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4644.3
Date
11/23/2016 8.0 715 115.3 8.3 4631.7
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW52
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4635.8
Date
11/23/2016 10.6 758 125.5 8.3 4623.4
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW53
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4645.1
Date
11/23/2016 8.1 723 112.3 8.3 4632.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 41 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW54
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4636.9
Date
11/23/2016 13.6 812 166.3 * 8.3 4626.2
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW55
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4643.6
Date
11/23/2016 8.6 716 111.6 8.3 4630.7
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW56
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4646.1
Date
10/06/2016 12.6 714 109.6 8.1 4623.8
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW57
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4643.2
Date
11/23/2016 8.8 716 114.1 8.3 4630.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 42 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW58
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4642.8
Date
11/23/2016 9.3 722 110.1 8.5 4625.5
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW59
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4642.3
Date
11/23/2016 8.6 716 112.5 8.5 4628.7
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW60
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.7 779 191.3 4635.4
Date
11/23/2016 12.7 770 186.2 8.3 4625.6
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW61
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4659.6
Date
11/23/2016 8.3 729 112.1 8.3 4630.7
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 43 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW62
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4635.1
Date
10/06/2016 10.8 764 115.1 8.1 4625.5
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW63
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4641.3
Date
11/30/2016 9.1 710 108.5 8.3 4629.8
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW64
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4636.3
Date
11/23/2016 9.0 766 117.0 8.5 4626.0
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW65
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.9 734 128.1 4641.4
Date
11/30/2016 9.5 742 * 109.6 8.3 4630.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 44 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5MW66
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4636.8
Date
10/19/2016 14.7 999 175.9 * 7.9 4627.5
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW67
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4642.1
Date
11/30/2016 7.5 894 90.1 8.3 4631.0
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5MW69
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.7 1004 134.3 4642.0
Date
11/30/2016 8.3 878 94.0 8.3 4630.7
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW19
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4636.1
Date
10/03/2016 6.0 1336 69.8 8.0 4630.9
10/17/2016 5.4 1339 71.1 8.0 4625.7
11/01/2016 5.5 1349 71.1 7.9 4629.3
11/14/2016 5.0 1333 70.6 8.0 4627.6
11/28/2016 6.0 1349 72.1 8.1 4624.9
12/13/2016 5.6 1371 70.4 8.0 4625.8
12/27/2016 5.1 1346 71.8 8.1 4625.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 45 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6MW21
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4637.1
Date
12/08/2016 4.9 1241 73.0 8.1 4624.3
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW23
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4635.0
Date
12/08/2016 4.8 1290 71.9 8.1 4622.1
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW25
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4627.2
Date
12/01/2016 5.9 1248 72.9 8.1 4623.6
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW27
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4623.6
Date
11/28/2016 18.3 1409 118.5 * 8.1 4609.9
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 46 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6MW29
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4625.5
Date
12/01/2016 13.3 1239 168.1 * 8.1 4620.7
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW31
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4625.2
Date
12/15/2016 6.5 1340 86.1 8.1 4618.5
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW33
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4617.9
Date
12/15/2016 6.0 1327 74.8 8.1 4614.4
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW35
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4617.8
Date
12/15/2016 5.0 1276 69.5 7.9 4612.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 47 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6MW37
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4615.4
Date
12/15/2016 4.9 1255 70.8 8.1 4610.7
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW38
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4634.4
Date
12/08/2016 4.9 1344 69.6 8.1 4625.4
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW39
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4612.6
Date
12/01/2016 15.6 1297 71.8 8.1 4609.1
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW40
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4632.6
Date
12/08/2016 4.9 1369 66.5 8.1 4623.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 48 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6MW41
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4612.3
Date
12/01/2016 7.5 1250 112.5 * 8.1 4607.7
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW42
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4631.3
Date
12/22/2016 4.9 1353 67.1 8.1 4622.2
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW43
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4611.4
Date
12/01/2016 13.1 1406 289.7 * 7.9 4605.8
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW44
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4628.4
Date
12/22/2016 10.3 1494 153.6 * 8.0 4620.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 49 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6MW45
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4631.5
Date
12/01/2016 16.0 1289 211.6 * 7.9 4604.2
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW46
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.6 2427 89.2 4627.7
Date
12/22/2016 8.6 1245 191.8 * 8.1 4618.9
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW47
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4606.2
Date
12/01/2016 10.8 915 209.1 * 8.1 4605.4
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW48-3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2
Date
11/02/2016 25.8 * 1556 88.0 8.1 4621.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 50 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6MW49
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4607.8
Date
12/01/2016 9.1 924 195.8 * 8.1 4606.2
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW50
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4625.8
Date
12/22/2016 5.5 1352 69.2 8.1 4616.6
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW51
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4618.0
Date
12/01/2016 13.1 1239 100 * 8.3 4605.9
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW52
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4621.4
Date
12/15/2016 5.5 1239 68.1 8.1 4612.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 51 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6MW53
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4610.2
Date
12/15/2016 5.9 1282 70.4 8.1 4604.2
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6MW54
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.0 1576 95.2 4618.5
Date
12/15/2016 5.3 1256 68.8 8.1 4609.9
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.7 4647.9
Date
10/03/2016 5.9 1340 70.5 8.0 4643.4
10/18/2016 5.9 1391 71.5 8.0 4639.3
11/01/2016 4.9 1352 72.4 7.9 4637.8
11/15/2016 4.8 1327 74.0 8.1 4636.6
11/28/2016 5.5 1357 72.6 8.1 4635.6
12/13/2016 5.6 1372 72.6 8.0 4638.0
12/28/2016 5.0 1350 73.9 8.0 4638.9
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 52 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4657.2
Date
10/03/2016 6.4 1195 73.5 8.1 4642.9
10/18/2016 6.5 1234 75.5 8.1 4639.5
11/01/2016 5.8 1215 75.1 8.1 4638.0
11/15/2016 5.5 1217 75.6 8.1 4636.8
11/28/2016 5.9 1235 74.5 8.1 4636.0
12/13/2016 5.9 1257 73.1 8.1 4638.9
12/28/2016 6.0 1243 74.8 8.1 4638.9
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4644.4
Date
10/03/2016 4.7 1344 70.3 8.0 4641.1
10/18/2016 5.5 1388 72.0 8.0 4637.6
11/01/2016 4.8 1358 71.5 8.0 4635.4
11/14/2016 4.5 1336 71.9 8.1 4634.3
11/28/2016 5.5 1359 70.5 8.1 4633.2
12/13/2016 5.5 1378 70.0 8.0 4634.5
12/28/2016 5.3 1358 71.9 8.1 4636.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 53 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4641.7
Date
10/03/2016 6.0 1295 83.5 7.9 4643.4
10/18/2016 5.9 1347 83.5 7.9 4639.6
11/01/2016 5.4 1309 85.4 7.9 4636.7
11/15/2016 6.0 1300 85.5 8.0 4635.2
11/29/2016 5.9 1345 85.4 8.0 4634.7
12/13/2016 5.8 1329 82.6 7.9 4637.9
12/28/2016 5.6 1296 83.0 8.0 4638.6
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4646.4
Date
10/03/2016 7.4 1382 85.0 7.9 4641.2
10/18/2016 7.1 1426 81.5 7.9 4637.2
11/01/2016 6.8 1390 87.9 7.9 4636.8
11/14/2016 7.1 1383 92.1 8.0 4636.5
11/28/2016 7.5 1411 92.8 8.1 4635.3
12/13/2016 7.3 1438 94.1 7.9 4636.1
12/28/2016 7.4 1403 95.3 8.0 4636.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 54 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW6
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4635.6
Date
10/04/2016 5.5 1312 71.4 8.0 4640.7
10/19/2016 5.0 1311 75.1 8.0 4634.3
11/01/2016 4.9 1296 76.0 8.0 4634.1
11/16/2016 4.8 1291 75.3 8.1 4630.9
11/29/2016 5.5 1309 75.3 8.1 4631.2
12/14/2016 4.6 1285 74.5 8.1 4633.9
12/30/2016 5.5 1289 76.1 8.1 4634.2
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW7
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4640.7
Date
10/04/2016 8.1 933 81.4 8.1 4637.4
10/19/2016 7.3 941 85.5 8.1 4635.2
11/01/2016 7.4 928 85.5 8.1 4634.1
11/16/2016 7.6 923 85.8 8.1 4633.5
11/29/2016 8.1 936 84.6 8.3 4632.3
12/14/2016 7.5 920 84.9 8.1 4632.5
12/30/2016 8.0 929 85.6 8.1 4633.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 55 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4629.9
Date
10/04/2016 5.8 1287 73.5 8.0 4638.8
10/19/2016 5.6 1255 78.1 8.0 4631.2
11/01/2016 5.4 1278 76.5 8.0 4629.5
11/16/2016 5.5 1273 76.4 8.1 4627.5
11/29/2016 5.1 1291 75.5 8.1 4628.2
12/14/2016 5.0 1267 76.5 8.1 4629.5
12/30/2016 5.5 1273 77.0 8.1 4631.3
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW9
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4646.0
Date
10/04/2016 8.1 942 83.4 8.1 4637.2
10/19/2016 7.3 943 86.4 8.1 4635.0
11/01/2016 7.3 934 86.0 8.1 4634.5
11/16/2016 7.3 925 84.9 8.1 4634.1
11/29/2016 7.1 943 85.0 8.3 4632.9
12/14/2016 8.0 925 85.1 8.3 4632.7
12/30/2016 7.9 932 85.5 8.3 4633.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 56 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW10
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4632.6
Date
10/04/2016 5.6 1280 74.4 8.0 4638.5
10/19/2016 5.5 1248 76.9 8.0 4632.1
11/01/2016 5.4 1270 76.0 8.0 4629.6
11/15/2016 5.1 1251 76.6 8.1 4628.1
11/29/2016 5.5 1291 75.0 8.1 4627.9
12/14/2016 5.0 1277 75.5 8.1 4629.1
12/30/2016 5.5 1281 75.5 8.1 4631.0
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW11
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4646.5
Date
10/04/2016 8.0 922 82.1 8.1 4635.1
10/19/2016 7.4 930 86.0 8.1 4632.6
11/01/2016 7.5 911 87.1 8.1 4633.0
11/16/2016 7.6 917 86.0 8.1 4632.6
11/29/2016 7.1 927 85.5 8.3 4631.4
12/14/2016 7.4 914 86.8 8.3 4630.8
12/30/2016 7.8 925 85.5 8.1 4631.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 57 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW12
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4632.4
Date
10/04/2016 4.9 1308 69.5 8.0 4639.3
10/19/2016 6.0 1168 78.1 8.0 4632.6
11/01/2016 5.5 1290 74.5 8.0 4632.2
11/16/2016 4.8 1303 73.4 8.0 4630.9
11/29/2016 5.6 1320 73.3 8.1 4629.9
12/14/2016 5.3 1298 74.5 8.1 4631.5
12/30/2016 5.5 1318 73.8 8.0 4632.4
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW13
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4640.8
Date
10/04/2016 7.9 913 81.8 8.1 4632.8
10/19/2016 7.4 909 86.5 8.1 4630.7
11/01/2016 7.5 904 86.9 8.3 4631.0
11/16/2016 7.5 898 87.5 8.3 4630.8
11/29/2016 7.6 917 87.0 8.3 4629.5
12/14/2016 7.4 903 86.8 8.3 4629.1
12/30/2016 8.6 904 86.3 8.1 4629.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 58 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW14
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4630.7
Date
10/04/2016 9.0 1343 79.6 8.0 4638.7
10/18/2016 8.1 1338 82.6 8.0 4638.7
11/01/2016 8.6 1326 85.1 8.1 4632.4
11/15/2016 9.1 1319 88.1 8.1 4631.6
11/29/2016 9.8 1363 90.6 8.1 4630.5
12/14/2016 9.6 1344 90.5 8.1 4632.5
12/28/2016 9.0 1344 91.5 8.1 4634.8
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW15
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4638.4
Date
10/04/2016 8.3 893 87.1 8.1 4631.6
10/17/2016 7.8 879 86.8 8.1 4629.8
10/31/2016 7.9 861 87.6 8.1 4630.2
11/15/2016 7.6 873 89.1 8.1 4630.0
11/29/2016 7.6 900 88.0 8.3 4628.2
12/14/2016 7.5 884 88.6 8.3 4627.5
12/29/2016 8.1 882 87.6 8.3 4627.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 59 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW16
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4624.1
Date
10/04/2016 5.0 1294 73.0 8.0 4636.0
10/19/2016 6.0 1235 78.0 8.0 4634.1
11/01/2016 5.4 1276 76.0 8.0 4639.1
11/15/2016 4.9 1264 77.9 8.1 4634.7
11/29/2016 4.9 1303 76.5 8.1 4634.8
12/14/2016 5.3 1285 76.4 8.1 4642.5
12/30/2016 5.5 1281 77.0 8.0 4640.3
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW17
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4641.5
Date
10/04/2016 7.8 908 84.6 8.1 4629.8
10/17/2016 7.1 887 85.1 8.1 4627.7
10/31/2016 7.6 875 86.9 8.1 4628.5
11/15/2016 7.8 888 87.6 8.1 4628.4
11/29/2016 8.6 910 87.6 8.3 4626.5
12/14/2016 7.3 901 86.6 8.3 4626.0
12/29/2016 7.8 897 86.5 8.3 4626.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 60 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW18
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4627.4
Date
10/04/2016 5.5 1278 78.4 8.0 4641.1
10/19/2016 5.5 1217 80.1 8.0 4636.0
11/01/2016 5.0 1259 79.0 8.0 4638.5
11/15/2016 5.3 1251 80.4 8.1 4633.5
11/29/2016 5.0 1285 79.5 8.1 4633.3
12/14/2016 4.9 1273 79.0 8.1 4642.5
12/30/2016 5.5 1263 79.0 8.1 4640.3
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW19
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4636.9
Date
10/04/2016 6.0 1376 67.0 8.0 4628.9
10/17/2016 5.5 1352 70.6 8.0 4626.3
10/31/2016 5.4 1335 70.6 8.0 4627.8
11/15/2016 5.1 1347 71.4 8.1 4628.0
11/29/2016 5.5 1380 70.6 8.1 4625.4
12/14/2016 5.0 1363 69.5 8.1 4625.3
12/29/2016 5.6 1364 69.3 8.0 4624.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 61 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW20
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4626.9
Date
10/04/2016 5.5 1262 79.6 8.0 4642.0
10/19/2016 4.9 1266 79.6 8.0 4636.8
11/01/2016 4.8 1248 80.0 8.1 4637.5
11/15/2016 4.8 1238 81.4 8.1 4633.5
11/29/2016 5.0 1269 80.9 8.1 4633.0
12/14/2016 4.8 1249 80.1 8.1 4640.7
12/30/2016 5.6 1251 80.5 8.1 4639.1
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW21
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4627.2
Date
10/04/2016 5.9 1231 79.6 8.1 4642.0
10/19/2016 5.1 1215 81.4 8.1 4637.1
11/01/2016 5.5 1218 80.9 8.1 4637.7
11/15/2016 5.0 1205 81.3 8.1 4633.9
11/29/2016 5.4 1237 81.3 8.1 4633.4
12/14/2016 5.0 1222 81.3 8.1 4641.0
12/30/2016 5.8 1227 82.6 8.1 4639.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 62 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW22
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4634.0
Date
10/04/2016 6.0 1205 82.5 8.0 4639.3
10/19/2016 6.1 1090 83.9 8.0 4634.3
11/01/2016 5.6 1186 83.3 8.0 4636.5
11/15/2016 6.0 1185 84.3 8.1 4631.3
11/29/2016 6.1 1210 83.8 8.1 4630.5
12/14/2016 5.4 1226 84.0 8.1 4639.9
12/30/2016 6.0 1222 84.5 8.1 4638.1
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW23
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4631.5
Date
10/03/2016 6.0 1230 84.3 8.0 4639.0
10/18/2016 5.8 1269 83.5 8.0 4632.5
10/31/2016 5.0 1214 85.0 8.0 4633.8
11/14/2016 5.0 1223 84.3 8.1 4629.1
11/28/2016 5.5 1238 81.5 8.1 4628.1
12/13/2016 5.8 1254 85.1 8.0 4640.8
12/27/2016 5.5 1235 89.0 8.1 4632.7
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 63 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW24
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4631.1
Date
10/03/2016 13.6 1318 144.4 * 8.1 4637.8
10/17/2016 13.6 1336 164.3 * 8.1 4629.6
10/31/2016 14.3 1350 183.1 * 8.0 4632.7
11/14/2016 15.2 1379 192.5 * 8.1 4626.0
11/28/2016 13.5 1381 176.1 * 8.1 4625.2
12/13/2016 16.8 1486 221.8 * 7.9 4638.8
12/27/2016 17.2 1488 240.3 * 8.1 4631.1
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW25
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4626.6
Date
10/03/2016 15.6 1527 302.3 * 7.5 4636.4
10/17/2016 7.4 1049 92.3 8.0 4618.8
10/31/2016 8.0 1293 152.6 * 7.9 4631.2
11/14/2016 7.1 1268 112.2 7.9 4620.3
11/28/2016 6.4 1262 94.6 8.0 4619.7
12/13/2016 5.9 1299 99.6 7.9 4628.2
12/27/2016 6.0 1274 97.8 7.9 4628.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 64 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW26
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4619.7
Date
10/03/2016 7.1 1015 81.8 8.0 4635.6
10/17/2016 6.8 986 82.8 8.0 4617.5
10/31/2016 6.1 1012 82.5 8.1 4630.7
11/14/2016 6.4 1048 82.0 8.1 4618.3
11/28/2016 6.6 1072 81.1 8.3 4617.7
12/13/2016 6.0 1092 81.5 8.1 4623.3
12/27/2016 6.6 1079 82.0 8.1 4629.0
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW27
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4623.0
Date
10/04/2016 16.2 1311 211.6 * 7.8 4633.7
10/24/2016 19.1 1484 301.1 * 7.6 4608.6
10/31/2016 16.6 1356 261.1 * 7.6 4630.1
11/14/2016 14.0 1253 194.1 * 7.9 4616.4
11/28/2016 13.1 1243 168.8 * 8.0 4616.3
12/13/2016 13.1 1237 145.1 * 7.8 4618.4
12/27/2016 13.1 1223 141.5 * 8.0 4633.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 65 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW28
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4622.3
Date
10/03/2016 14.0 1090 147 * 8.1 4634.2
10/18/2016 15.0 1179 178.1 * 8.0 4628.6
10/31/2016 13.3 1091 148.3 * 8.1 4628.1
11/14/2016 10.1 1107 117.1 8.1 4620.0
11/28/2016 8.5 1144 104.4 8.1 4619.0
12/13/2016 8.0 1172 96.9 8.0 4621.7
12/27/2016 7.6 1160 94.0 8.0 4630.8
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW29
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4617.6
Date
10/04/2016 10.5 1212 159.1 * 7.8 4634.5
10/19/2016 10.5 1221 167.9 * 7.6 4625.6
11/02/2016 9.1 1202 138.3 * 7.9 4626.1
11/14/2016 7.4 1214 108.6 7.9 4623.4
11/28/2016 6.1 1246 95.0 7.9 4622.5
12/13/2016 6.0 1267 88.1 7.8 4625.2
12/27/2016 6.0 1246 89.6 8.0 4632.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 66 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW30
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4619.9
Date
10/03/2016 7.6 949 81.0 8.1 4637.0
10/18/2016 7.1 983 82.6 8.1 4635.0
11/01/2016 7.0 958 83.0 8.1 4626.6
11/14/2016 7.3 948 84.4 8.1 4625.0
11/28/2016 7.3 962 83.3 8.3 4623.9
12/13/2016 7.1 974 82.3 8.1 4622.9
12/28/2016 7.4 953 83.3 8.1 4632.1
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW31
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4611.8
Date
10/03/2016 7.8 936 83.6 8.1 4637.1
10/18/2016 7.1 966 85.3 8.1 4633.9
11/01/2016 7.1 943 86.1 8.1 4628.1
11/14/2016 7.3 923 86.4 8.1 4626.9
11/28/2016 7.3 950 86.0 8.3 4625.6
12/13/2016 7.3 961 87.0 8.1 4625.2
12/28/2016 7.1 939 88.3 8.1 4631.7
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 67 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW32
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4620.5
Date
10/03/2016 8.6 927 86.5 8.1 4637.9
10/18/2016 7.4 961 86.0 8.0 4633.2
11/01/2016 7.0 941 89.5 8.1 4630.7
11/14/2016 7.6 931 93.8 8.1 4629.8
11/28/2016 9.1 951 100.0 8.3 4627.9
12/13/2016 9.3 977 107.9 8.1 4627.8
12/28/2016 10.1 971 120.4 * 8.1 4631.9
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW33
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4617.8
Date
10/03/2016 10.1 1313 91.3 8.0 4636.6
10/18/2016 7.1 1340 80.0 7.9 4630.2
11/01/2016 12.6 1331 102.6 8.0 4632.4
11/14/2016 11.1 1331 103.8 8.1 4628.9
11/28/2016 7.8 1318 83.0 8.1 4627.0
12/13/2016 13.0 1356 110.6 7.9 4628.9
12/28/2016 13.1 1360 114.6 8.0 4630.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 68 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW34
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4616.6
Date
10/04/2016 6.0 1333 70.1 7.8 4634.3
10/19/2016 5.5 1323 74.1 7.9 4627.6
11/02/2016 5.6 1304 74.4 8.0 4631.4
11/16/2016 5.5 1303 72.8 8.0 4629.2
11/29/2016 5.5 1328 74.8 8.1 4625.9
12/14/2016 5.5 1318 73.4 8.1 4627.8
12/30/2016 5.9 1328 73.8 8.1 4627.6
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW35
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1950 118.8 4617.4
Date
10/03/2016 7.6 1355 93.9 7.9 4632.2
10/17/2016 6.3 1349 92.0 7.9 4625.8
10/31/2016 6.1 1343 92.4 7.8 4627.8
11/14/2016 6.9 1350 91.9 8.0 4627.7
11/28/2016 7.1 1367 89.4 8.1 4625.6
12/13/2016 6.9 1378 86.8 7.9 4626.6
12/27/2016 7.1 1354 86.0 8.0 4625.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 69 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW39-2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 28.5 2305 562.7 4622.0
Date
10/03/2016 9.3 1367 183.6 8.1 4627.3
10/17/2016 8.0 1362 168.8 8.1 4623.4
11/01/2016 8.6 1364 176.0 8.1 4625.4
11/14/2016 8.8 1365 176.1 8.1 4625.5
11/28/2016 9.9 1386 191.8 8.1 4622.5
12/13/2016 9.6 1398 183.5 8.1 4623.2
12/28/2016 8.5 1374 171.5 8.1 4622.7
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW40
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 28.5 2305 562.7 4614.9
Date
10/04/2016 12.8 1132 274.2 8.0 4626.7
10/17/2016 12.8 1117 281.7 8.0 4623.5
10/31/2016 12.8 1108 282.6 8.0 4625.0
11/16/2016 12.8 1119 287.8 8.0 4624.7
11/29/2016 12.8 1141 285.0 8.1 4621.6
12/14/2016 13.0 1124 286.2 8.1 4622.7
12/29/2016 13.1 1132 283.5 8.1 4622.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 70 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW41
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 68.4 2775 562.7 4620.2
Date
10/04/2016 28.5 1589 314.8 7.8 1.2 4625.8
10/17/2016 30.2 1717 324.1 7.8 1.0 4623.2
10/31/2016 29.3 1665 328.0 7.9 1.2 4624.4
11/16/2016 27.8 1668 333.4 7.9 1.2 4624.2
11/29/2016 28.2 1665 333.2 7.9 1.2 4621.6
12/14/2016 30.8 1717 326.7 7.9 1.0 4622.0
12/29/2016 32.4 1774 321.8 8.0 1.0 4621.7
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7MW42
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 48.4 2775 562.7 4617.6
Date
10/04/2016 13.1 1630 180.4 7.9 0.3 4626.0
10/17/2016 12.9 1618 188.0 8.0 0.2 4623.7
10/31/2016 12.6 1596 191.0 7.9 0.2 4624.8
11/16/2016 12.9 1629 193.6 7.9 0.2 4625.1
11/29/2016 12.8 1656 193.3 8.0 0.2 4622.3
12/14/2016 13.1 1642 190.5 8.0 0.1 4622.5
12/29/2016 12.8 1637 191.3 8.0 0.1 4622.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 71 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7MW43
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 20.8 1949 118.7 4623.7
Date
10/04/2016 5.9 1377 68.6 7.9 4626.8
10/17/2016 5.8 1359 71.5 8.0 4624.2
10/31/2016 5.0 1356 72.5 8.0 4625.4
11/15/2016 5.4 1349 71.9 8.1 4625.9
11/29/2016 4.8 1387 71.6 8.0 4623.2
12/14/2016 5.1 1378 72.4 8.0 4623.4
12/29/2016 5.5 1371 72.9 8.1 4622.8
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW-1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.7 956 117.0 4543.7
Date
10/13/2016 10.1 673 90.4 8.3 4449.5
10/25/2016 9.8 673 92.1 8.6 4456.7
11/09/2016 9.8 689 91.3 8.6 4463.1
11/20/2016 9.8 681 92.0 8.6 4459.2
12/07/2016 9.8 682 91.5 8.6 4457.4
12/21/2016 10.3 672 90.0 8.5 4470.3
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4512.3
Date
10/13/2016 13.6 707 104.1 8.3 4455.5
10/25/2016 13.0 696 99.8 8.6 4464.9
11/09/2016 13.1 713 99.9 8.6 4467.3
11/20/2016 12.8 704 100.5 8.6 4465.0
12/07/2016 12.6 688 94.8 8.6 4461.0
12/21/2016 10.1 680 93.3 8.5 4470.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 72 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4504.1
Date
10/13/2016 10.6 677 93.3 8.3 4459.6
10/25/2016 10.5 683 93.8 8.6 4468.0
11/09/2016 10.1 693 94.4 8.6 4468.0
11/20/2016 10.1 680 93.5 8.6 4466.6
12/07/2016 9.5 687 91.1 8.6 4461.9
12/21/2016 9.1 682 92.1 8.6 4468.2
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4538.3
Date
10/12/2016 10.3 672 89.3 8.3 4457.3
10/25/2016 9.1 670 90.9 8.8 4465.8
11/09/2016 9.8 685 90.8 8.6 4463.4
11/20/2016 10.0 666 91.3 8.8 4465.3
12/07/2016 10.1 678 91.4 8.8 4457.6
12/21/2016 9.3 676 89.6 8.6 4463.6
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4552.4
Date
10/12/2016 10.1 670 89.6 8.3 4457.3
10/25/2016 10.1 670 90.0 8.6 4465.1
11/09/2016 9.3 681 92.1 8.6 4459.5
11/20/2016 9.1 663 91.0 8.6 4466.0
12/07/2016 9.5 678 91.1 8.8 4462.2
12/21/2016 9.1 673 91.4 8.6 4465.9
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 73 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW6
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4564.2
Date
10/12/2016 10.3 676 89.7 8.3 4445.8
10/25/2016 9.3 673 91.8 8.6 4453.7
11/09/2016 9.3 685 92.5 8.6 4444.8
11/20/2016 10.0 673 91.8 8.6 4455.0
12/07/2016 9.8 685 91.3 8.6 4445.4
12/21/2016 9.3 676 91.9 8.5 4455.7
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW7-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4583.1
Date
10/12/2016 10.1 676 90.4 8.1 4434.9
10/25/2016 9.8 673 92.5 8.6 4442.6
11/09/2016 9.3 684 91.9 8.6 4432.6
11/20/2016 9.8 673 92.5 8.6 4443.5
12/07/2016 9.3 682 91.8 8.6 4433.6
12/21/2016 9.1 677 91.0 8.3 4443.0
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4587.5
Date
10/12/2016 9.6 669 90.0 8.1 4424.6
10/25/2016 9.1 668 90.1 8.6 4433.8
11/09/2016 9.5 682 91.4 8.5 4421.9
11/20/2016 9.8 668 91.4 8.6 4433.9
12/07/2016 10.0 679 91.1 8.6 4421.6
12/21/2016 9.1 676 91.5 8.3 4431.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 74 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW9
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4581.4
Date
10/12/2016 10.1 671 91.4 8.1 4403.4
10/25/2016 9.7 670 92.8 8.6 4413.2
11/09/2016 9.5 682 93.1 8.5 4401.7
11/20/2016 9.6 674 93.0 8.6 4408.0
12/07/2016 9.3 682 91.9 8.6 4401.2
12/21/2016 8.8 673 92.1 8.3 4406.4
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW10
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4591.8
Date
10/12/2016 13.3 708 100.1 8.1 4395.0
10/25/2016 12.8 710 103.9 8.6 4406.9
11/07/2016 13.1 710 100.9 8.6 4397.5
11/20/2016 13.0 713 104.4 8.6 4394.6
12/07/2016 12.6 707 100.5 8.6 4391.7
12/21/2016 12.9 701 99.4 8.5 4392.8
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW11
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4577.7
Date
10/12/2016 9.6 669 90.0 8.3 4398.6
10/25/2016 9.3 668 91.8 8.6 4410.8
11/07/2016 10.1 676 90.5 8.6 4399.1
11/20/2016 10.1 667 92.0 8.6 4394.6
12/07/2016 9.3 677 91.9 8.6 4392.4
12/21/2016 9.3 673 91.5 8.6 4391.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 75 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW12-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4570.7
Date
10/12/2016 10.1 678 89.0 8.1 4409.2
10/25/2016 10.1 672 91.3 8.6 4414.3
11/07/2016 9.3 682 91.6 8.6 4405.2
11/20/2016 9.1 669 90.6 8.6 4400.2
12/07/2016 9.1 682 91.4 8.6 4399.9
12/21/2016 9.1 673 90.9 8.3 4396.5
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW13
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4613.0
Date
10/12/2016 9.1 676 89.8 8.1 4411.2
10/25/2016 9.0 678 90.0 8.6 4419.5
11/07/2016 9.6 686 90.6 8.6 4409.9
11/20/2016 9.1 670 90.4 8.6 4404.5
12/07/2016 9.3 687 90.4 8.6 4403.9
12/21/2016 8.8 678 90.0 8.5 4400.6
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW14
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4645.2
Date
10/12/2016 13.3 711 92.6 8.1 4419.9
10/25/2016 13.0 710 95.8 8.5 4428.2
11/07/2016 13.1 721 94.1 8.5 4416.9
11/20/2016 12.6 701 93.4 8.5 4411.7
12/07/2016 12.8 719 93.8 8.5 4411.2
12/21/2016 13.1 706 92.4 8.5 4407.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 76 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW15
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4665.2
Date
10/12/2016 9.1 690 90.0 8.3 4432.0
10/25/2016 8.6 687 91.0 8.6 4436.6
11/07/2016 9.4 700 91.0 8.6 4424.9
11/20/2016 9.3 689 91.0 8.6 4419.5
12/07/2016 8.8 696 92.0 8.6 4419.7
12/21/2016 8.8 682 90.4 8.6 4417.4
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW16
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4640.4
Date
10/12/2016 9.3 736 84.5 8.1 4447.3
10/25/2016 8.2 731 87.0 8.5 4450.7
11/07/2016 8.3 747 87.0 8.5 4432.5
11/20/2016 8.6 732 86.9 8.5 4427.3
12/07/2016 8.6 745 86.5 8.5 4428.1
12/21/2016 9.3 732 85.4 8.3 4427.7
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW17
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4602.3
Date
10/12/2016 8.8 761 82.4 8.1 4465.5
10/25/2016 8.1 767 84.6 8.3 4465.1
11/07/2016 8.1 779 84.6 8.5 4441.7
11/20/2016 8.6 767 84.5 8.6 4437.1
12/07/2016 8.0 784 88.4 8.8 4438.6
12/21/2016 8.5 765 83.5 8.3 4440.9
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 77 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW18
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4575.4
Date
10/12/2016 10.5 767 88.5 8.1 4483.1
10/24/2016 10.0 799 90.5 8.5 4476.8
11/07/2016 12.8 793 93.9 8.6 4442.7
11/20/2016 12.8 768 94.1 8.6 4440.9
12/06/2016 12.8 790 95.1 8.6 4445.1
12/21/2016 13.1 791 95.5 8.3 4452.0
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW19
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4595.9
Date
10/12/2016 8.3 819 80.1 8.0 4487.4
10/24/2016 7.6 845 81.9 8.5 4481.7
11/07/2016 8.0 836 82.4 8.3 4455.2
11/20/2016 7.8 806 80.3 8.5 4453.3
12/06/2016 8.1 832 80.8 8.5 4456.0
12/21/2016 7.5 830 80.5 8.3 4467.4
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW20
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4570.4
Date
10/12/2016 8.6 816 81.1 8.0 4495.3
10/24/2016 7.8 837 82.6 8.3 4489.4
11/07/2016 8.3 829 82.8 8.3 4470.8
11/20/2016 7.6 799 82.3 8.5 4468.9
12/06/2016 8.1 821 82.6 8.5 4471.5
12/21/2016 8.1 809 81.6 8.3 4482.7
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 78 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW21
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4588.4
Date
10/12/2016 11.1 859 116.3 8.1 4503.9
10/24/2016 12.8 877 120.6 * 8.3 4500.4
11/03/2016 12.8 826 116.5 8.5 4495.8
11/20/2016 10.6 809 105.0 8.6 4489.3
12/05/2016 10.8 823 105.0 8.6 4490.5
12/19/2016 12.9 815 110.9 8.5 4494.2
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW22-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4571.4
Date
10/12/2016 8.0 849 79.4 8.0 4506.5
10/24/2016 7.5 860 80.6 8.3 4504.6
11/07/2016 7.6 865 81.0 8.3 4498.2
11/20/2016 7.8 837 80.6 8.3 4495.9
12/06/2016 7.6 853 80.9 8.3 4498.3
12/21/2016 7.5 844 79.9 8.3 4502.2
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW23
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4526.9
Date
10/12/2016 8.5 831 79.9 8.1 4509.6
10/24/2016 7.6 853 81.0 8.3 4509.1
11/07/2016 8.3 843 82.0 8.3 4505.2
11/20/2016 7.9 816 81.0 8.5 4503.5
12/06/2016 8.1 832 80.8 8.5 4506.2
12/21/2016 8.3 825 80.0 8.3 4508.9
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 79 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW24
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4591.4
Date
10/12/2016 7.6 805 82.1 8.1 4503.5
10/24/2016 7.9 805 85.0 8.5 4504.1
11/07/2016 8.5 789 87.4 8.5 4500.8
11/20/2016 8.3 787 85.1 8.5 4500.0
12/06/2016 7.8 805 84.0 8.6 4501.7
12/21/2016 8.3 807 82.9 8.3 4504.4
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW25
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4624.9
Date
10/12/2016 7.9 793 84.0 8.1 4500.7
10/24/2016 7.8 807 84.6 8.3 4502.7
11/07/2016 8.5 805 85.1 8.5 4499.8
11/20/2016 8.1 777 84.6 8.6 4500.1
12/06/2016 8.8 798 85.0 8.5 4502.5
12/21/2016 7.9 789 84.0 8.3 4503.6
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW26-B
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4638.2
Date
10/12/2016 7.5 824 80.5 8.1 4496.4
10/24/2016 7.5 849 80.6 8.3 4499.6
11/07/2016 7.6 842 81.0 8.3 4496.0
11/20/2016 7.8 810 81.4 8.5 4497.7
12/06/2016 7.8 833 81.0 8.5 4499.5
12/21/2016 7.9 824 79.8 8.3 4500.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 80 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW27
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4625.3
Date
10/12/2016 7.5 788 84.1 8.1 4505.4
10/24/2016 7.8 801 85.1 8.3 4508.5
11/07/2016 7.8 800 85.9 8.3 4504.2
11/20/2016 8.1 768 85.4 8.6 4507.0
12/06/2016 8.3 786 86.1 8.3 4508.5
12/21/2016 8.3 777 86.0 8.3 4510.0
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW28
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4611.3
Date
10/12/2016 7.6 795 84.0 8.1 4521.6
10/24/2016 8.0 807 84.3 8.5 4523.1
11/07/2016 8.3 802 84.9 8.5 4517.9
11/20/2016 8.1 777 84.5 8.6 4521.7
12/06/2016 8.5 793 85.1 8.6 4523.4
12/21/2016 8.5 787 84.4 8.5 4524.1
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW29-C
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4630.7
Date
10/12/2016 7.5 819 81.8 8.1 4518.6
10/24/2016 7.4 837 82.8 8.5 4518.9
11/07/2016 8.1 827 82.5 8.3 4515.4
11/20/2016 7.5 798 82.5 8.5 4517.8
12/06/2016 8.1 821 82.5 8.5 4518.2
12/21/2016 7.5 814 81.8 8.3 4520.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 81 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW30-B
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4680.1
Date
10/12/2016 8.1 762 87.0 8.1 4510.2
10/24/2016 8.0 777 87.9 8.5 4510.8
11/07/2016 8.1 773 87.9 8.3 4507.3
11/20/2016 8.5 752 87.5 8.5 4509.5
12/06/2016 8.6 766 87.8 8.5 4511.0
12/21/2016 8.5 758 87.3 8.3 4512.0
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW31
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4651.5
Date
10/12/2016 8.1 807 85.8 8.1 4502.4
10/24/2016 8.3 824 87.6 8.3 4503.0
11/07/2016 8.6 818 87.1 8.3 4499.5
11/20/2016 8.6 792 86.9 8.5 4501.6
12/06/2016 9.3 809 88.0 8.5 4504.0
12/21/2016 8.1 796 87.1 8.3 4504.7
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW32-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4623.0
Date
10/12/2016 10.1 807 115.6 7.9 4493.9
10/24/2016 9.1 813 114.3 8.3 4495.6
11/07/2016 9.3 812 114.3 8.3 4491.8
11/20/2016 9.6 784 112.4 8.3 4494.1
12/05/2016 10.8 819 121.5 * 8.3 4495.6
12/19/2016 11.0 777 114.5 8.3 4497.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 82 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW33-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4608.4
Date
10/12/2016 9.1 734 90.3 8.0 4482.8
10/24/2016 8.5 748 91.0 8.3 4483.4
11/07/2016 9.5 723 92.1 8.6 4478.9
11/20/2016 9.1 720 91.9 8.6 4482.2
12/05/2016 9.1 730 91.5 8.5 4483.6
12/21/2016 8.8 721 90.6 8.3 4486.7
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW34-B
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4611.9
Date
10/12/2016 9.5 731 87.3 8.1 4467.0
10/24/2016 9.0 746 88.3 8.5 4471.6
11/07/2016 9.5 723 89.0 8.5 4467.2
11/20/2016 8.8 712 88.0 8.5 4470.3
12/05/2016 9.1 730 87.9 8.5 4471.7
12/21/2016 8.6 718 87.3 8.3 4475.6
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW35-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4620.5
Date
10/12/2016 8.8 727 89.5 8.0 4468.0
10/24/2016 8.6 735 89.9 8.3 4472.3
11/07/2016 9.1 722 91.5 8.5 4468.7
11/20/2016 9.1 712 89.9 8.3 4470.8
12/05/2016 9.1 727 89.3 8.3 4472.1
12/21/2016 9.1 722 90.4 8.3 4474.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 83 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW36-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4632.6
Date
10/12/2016 12.6 784 115.3 7.9 0.2 4470.1
10/24/2016 10.1 788 111.9 8.1 0.2 4474.9
11/07/2016 9.8 769 103.0 8.3 0.0 4471.9
11/20/2016 10.5 734 97.4 8.3 0.3 4473.4
12/05/2016 10.6 752 98.5 8.3 0.1 4475.0
12/19/2016 11.1 720 96.6 8.3 0.1 4477.0
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW37-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4618.7
Date
10/13/2016 14.8 857 161.1 * 8.0 0.2 4449.4
10/24/2016 13.3 888 154.3 * 8.1 0.2 4454.0
11/03/2016 13.6 854 157.9 * 8.1 0.2 4453.7
11/20/2016 12.6 830 137.3 * 8.3 0.1 4452.2
12/05/2016 12.6 834 129.6 * 8.1 0.2 4454.6
12/19/2016 10.8 794 124.5 * 8.1 0.1 4455.7
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW38
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4592.8
Date
10/12/2016 8.1 776 85.1 8.0 4484.4
10/24/2016 7.9 779 86.4 8.3 4488.4
11/07/2016 8.8 757 86.1 8.5 4485.6
11/20/2016 8.8 753 88.0 8.5 4485.8
12/06/2016 8.3 758 87.8 8.3 4486.1
12/21/2016 8.0 747 86.6 8.3 4490.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 84 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW39A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4566.8
Date
10/12/2016 8.6 721 88.0 8.1 4483.6
10/24/2016 8.0 735 88.0 8.5 4488.6
11/07/2016 8.4 715 88.9 8.6 4485.5
11/20/2016 8.6 716 87.9 8.6 4486.0
12/06/2016 8.5 722 87.1 8.6 4486.9
12/21/2016 8.5 719 88.0 8.3 4491.1
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW40-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4558.5
Date
10/12/2016 9.1 669 89.5 8.1 4482.7
10/24/2016 9.1 681 90.5 8.3 4485.2
11/07/2016 10.0 668 90.8 8.5 4482.6
11/20/2016 10.0 663 91.4 8.6 4483.4
12/06/2016 10.2 672 90.0 8.5 4483.8
12/21/2016 9.9 661 89.8 8.3 4487.9
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW41-B
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4525.7
Date
10/12/2016 9.1 675 88.4 8.1 4475.5
10/24/2016 8.8 668 90.1 8.6 4484.0
11/07/2016 9.9 676 90.4 8.6 4479.0
11/20/2016 9.1 671 89.0 8.6 4482.6
12/06/2016 9.1 685 89.4 8.6 4483.0
12/21/2016 9.1 677 88.8 8.5 4486.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 85 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW42
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4560.3
Date
10/13/2016 9.3 672 89.3 8.3 4468.7
10/25/2016 8.8 683 92.5 8.5 4475.2
11/09/2016 9.6 695 91.5 8.5 4475.7
11/20/2016 9.1 685 90.8 8.6 4474.2
12/07/2016 9.3 694 91.5 8.5 4474.0
12/21/2016 9.8 675 90.3 8.3 4485.4
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW43-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4572.2
Date
10/13/2016 9.3 670 89.5 8.3 4473.2
10/25/2016 9.0 689 92.3 8.6 4475.5
11/09/2016 9.1 690 92.9 8.5 4475.5
11/20/2016 9.0 672 91.5 8.6 4473.8
12/07/2016 9.1 689 91.5 8.5 4474.8
12/21/2016 9.1 673 90.8 8.3 4483.1
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW44
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4559.9
Date
10/11/2016 9.8 682 91.3 8.3 4477.5
10/25/2016 9.1 679 93.6 8.5 4479.5
11/08/2016 9.1 686 93.0 8.6 4478.5
11/20/2016 9.3 682 92.1 8.5 4477.0
12/05/2016 9.8 688 92.1 8.6 4477.8
12/21/2016 10.0 677 89.1 8.5 4482.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 86 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW45
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4543.5
Date
10/11/2016 10.5 684 91.0 8.3 4478.7
10/25/2016 9.3 684 92.3 8.3 4480.6
11/08/2016 9.1 689 91.5 8.5 4480.5
11/20/2016 9.3 686 92.5 8.3 4479.3
12/05/2016 10.1 689 91.8 8.5 4479.4
12/21/2016 9.6 683 90.6 8.3 4482.6
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW46
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4528.3
Date
10/11/2016 10.1 680 90.0 8.5 4475.8
10/25/2016 9.3 680 92.6 8.6 4478.7
11/08/2016 9.8 688 92.3 8.6 4482.3
11/20/2016 10.1 677 91.5 8.6 4480.1
12/05/2016 10.3 682 90.4 8.6 4479.3
12/21/2016 10.1 674 89.8 8.6 4482.3
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW47A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4534.9
Date
10/11/2016 11.1 697 89.9 8.5 4473.1
10/25/2016 10.3 702 92.1 8.6 4475.5
11/08/2016 10.3 705 92.3 8.6 4481.9
11/20/2016 10.3 699 91.5 8.6 4469.9
12/05/2016 11.1 704 90.5 8.6 4479.5
12/21/2016 10.1 690 89.5 8.6 4480.7
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 87 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW48
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4507.1
Date
10/11/2016 10.8 743 91.0 8.3 4462.4
10/25/2016 10.1 740 92.0 8.5 4465.7
11/08/2016 10.5 720 93.4 8.5 4478.4
11/20/2016 10.3 703 92.1 8.5 4475.9
12/05/2016 10.5 715 92.5 8.5 4474.6
12/21/2016 10.8 696 91.6 8.3 4475.5
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW49
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4517.0
Date
10/13/2016 10.5 678 90.3 8.3 4457.6
10/24/2016 10.0 685 92.0 8.6 4462.1
11/09/2016 10.8 709 92.5 8.5 4473.7
11/20/2016 10.3 687 91.8 8.6 4470.7
12/08/2016 10.3 685 90.5 8.5 4470.6
12/21/2016 10.3 691 89.5 8.5 4473.5
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW50
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 27.0 2454 261.0 4518.0
Date
10/13/2016 13.1 2010 144.8 7.6 4462.5
10/24/2016 12.9 2010 147.1 7.8 4466.3
11/09/2016 13.1 2040 145.6 7.8 4472.5
11/20/2016 13.0 2040 146.3 7.8 4470.5
12/08/2016 13.1 1991 143.8 7.8 4470.7
12/21/2016 13.1 1990 143.0 7.8 4473.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 88 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW51
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4549.0
Date
10/13/2016 10.1 692 87.4 8.6 4447.9
10/24/2016 10.1 692 89.6 8.6 4458.7
11/09/2016 10.5 700 90.5 8.6 4469.4
11/20/2016 10.1 677 89.9 8.6 4465.1
12/08/2016 10.3 681 89.1 8.6 4465.2
12/21/2016 10.8 683 88.6 8.6 4470.0
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW52
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4546.7
Date
10/13/2016 10.3 785 84.3 8.3 4447.4
10/25/2016 10.3 808 86.3 8.6 4460.1
11/09/2016 10.8 817 86.0 8.6 4470.1
11/20/2016 10.6 803 85.8 8.6 4467.0
12/07/2016 10.3 794 85.5 8.6 4466.0
12/21/2016 10.8 777 85.5 8.6 4470.5
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8MW53
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4566.0
Date
10/13/2016 10.6 667 90.0 8.3 4442.8
10/25/2016 10.3 682 91.1 8.5 4460.0
11/09/2016 10.5 685 91.8 8.5 4469.8
11/20/2016 10.3 671 90.8 8.6 4466.1
12/07/2016 10.6 683 89.1 8.6 4464.3
12/21/2016 10.6 677 89.8 8.5 4470.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 89 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8MW54
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 956 117.0 4551.6
Date
10/13/2016 13.8 708 103.5 8.0 4439.2
10/25/2016 13.3 711 106.0 8.3 4459.5
11/09/2016 13.6 733 108.9 8.3 4464.0
11/20/2016 13.3 719 106.0 8.3 4459.1
12/07/2016 13.3 731 104.4 8.3 4459.0
12/21/2016 13.6 714 103.9 8.3 4469.8
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4679.0
Date
10/12/2016 10.8 661 99.5 8.6 4487.4
10/26/2016 10.8 628 97.1 8.6 4486.9
11/10/2016 10.6 662 97.8 8.5 4489.6
11/21/2016 10.6 655 97.1 8.6 4488.8
12/06/2016 11.0 639 100.3 8.6 4485.0
12/20/2016 10.6 607 98.0 8.3 4481.4
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4661.0
Date
10/06/2016 11.0 640 98.4 8.6 4485.8
10/26/2016 10.6 644 96.0 8.6 4486.6
11/10/2016 10.6 658 98.5 8.5 4487.2
11/21/2016 10.6 609 97.0 8.6 4485.9
12/06/2016 10.8 638 99.5 8.6 4483.1
12/21/2016 10.5 633 98.0 8.6 4483.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 90 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4617.0
Date
10/13/2016 10.6 624 99.1 8.6 4483.2
10/26/2016 10.5 643 96.6 8.6 4483.4
11/09/2016 10.6 684 99.1 8.6 4486.5
11/21/2016 10.6 665 97.4 8.6 4485.5
12/06/2016 10.8 649 98.3 8.6 4483.3
12/19/2016 10.6 630 100.0 8.6 4479.3
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4671.0
Date
10/12/2016 10.8 675 95.6 8.8 4482.0
10/26/2016 10.5 653 94.1 8.6 4483.6
11/09/2016 10.8 674 94.1 8.6 4484.9
11/21/2016 10.6 667 94.5 8.6 4484.2
12/06/2016 11.0 655 94.3 8.6 4482.8
12/19/2016 10.3 646 96.1 8.6 4480.5
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4679.0
Date
10/12/2016 10.6 685 95.6 8.8 4484.3
10/26/2016 10.6 660 94.4 8.8 4486.3
11/09/2016 10.5 681 93.4 8.8 4488.3
11/21/2016 10.5 677 94.0 8.8 4486.9
12/06/2016 10.8 667 97.5 8.8 4487.5
12/19/2016 10.6 656 96.4 8.8 4483.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 91 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW6
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4634.0
Date
10/12/2016 10.6 723 94.3 8.8 4492.4
10/26/2016 10.3 689 92.4 8.6 4494.6
11/09/2016 10.6 711 94.1 8.6 4496.1
11/21/2016 10.3 706 93.5 8.6 4494.9
12/06/2016 10.8 689 94.6 8.6 4497.9
12/19/2016 10.3 680 98.3 8.8 4492.6
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW7
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4604.0
Date
10/12/2016 10.6 692 95.3 8.6 4501.2
10/26/2016 10.1 657 92.0 8.6 4501.7
11/09/2016 10.3 688 93.8 8.5 4503.2
11/21/2016 10.1 676 92.1 8.5 4502.3
12/06/2016 10.6 663 92.4 8.6 4504.4
12/19/2016 10.3 658 93.5 8.6 4500.6
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4585.0
Date
10/12/2016 10.5 705 97.0 8.6 4504.5
10/26/2016 10.3 673 94.5 8.5 4505.4
11/09/2016 10.3 701 95.1 8.5 4506.6
11/21/2016 10.1 691 94.1 8.5 4506.2
12/06/2016 10.6 672 94.0 8.6 4507.7
12/19/2016 10.1 665 96.6 8.6 4504.7
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 92 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW9
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4589.0
Date
10/12/2016 10.1 707 93.9 8.6 4507.5
10/26/2016 10.3 673 92.1 8.6 4508.3
11/09/2016 10.1 708 93.5 8.6 4509.6
11/21/2016 10.1 694 92.1 8.6 4509.3
12/06/2016 10.3 680 92.0 8.6 4510.5
12/19/2016 9.8 668 94.4 8.6 4508.0
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW10
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4605.0
Date
10/12/2016 10.3 682 94.4 8.6 4510.0
10/26/2016 10.3 656 94.0 8.6 4510.6
11/09/2016 10.3 683 93.1 8.5 4511.8
11/21/2016 10.3 666 94.0 8.6 4511.3
12/06/2016 10.8 657 92.5 8.6 4512.7
12/19/2016 10.1 647 95.4 8.6 4510.4
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW11
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4676.0
Date
10/12/2016 10.5 693 94.1 8.6 4510.2
10/26/2016 10.6 673 94.8 8.6 4510.9
11/09/2016 10.5 698 94.4 8.5 4512.3
11/21/2016 10.5 689 93.6 8.5 4511.9
12/06/2016 10.5 674 93.6 8.6 4512.8
12/19/2016 10.5 662 95.4 8.6 4510.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 93 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW12
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4652.0
Date
10/12/2016 10.8 679 97.0 8.6 4507.7
10/26/2016 10.6 654 94.5 8.6 4508.3
11/09/2016 10.8 679 95.1 8.5 4509.7
11/21/2016 10.6 672 95.5 8.5 4509.3
12/06/2016 11.0 657 96.0 8.6 4510.1
12/19/2016 10.3 645 97.9 8.6 4507.5
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW13
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4648.0
Date
10/12/2016 10.8 680 99.0 8.6 4505.4
10/26/2016 10.6 655 96.3 8.6 4506.1
11/09/2016 10.6 677 96.1 8.5 4507.6
11/21/2016 10.6 664 96.4 8.6 4507.3
12/06/2016 10.8 651 96.5 8.6 4507.3
12/19/2016 10.6 643 97.5 8.6 4504.9
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW14
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4691.0
Date
10/12/2016 11.0 691 98.6 8.6 4500.6
10/26/2016 10.8 652 96.6 8.6 4501.6
11/09/2016 10.8 677 98.0 8.5 4503.1
11/21/2016 10.8 661 97.6 8.6 4502.6
12/06/2016 11.0 648 97.5 8.6 4502.5
12/19/2016 10.6 642 97.5 8.6 4499.7
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 94 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW15
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4703.0
Date
10/12/2016 10.8 678 98.9 8.6 4497.5
10/26/2016 10.5 641 98.4 8.6 4498.4
11/09/2016 10.6 677 96.4 8.5 4500.2
11/21/2016 10.6 654 98.5 8.6 4499.4
12/06/2016 10.8 642 97.1 8.6 4499.1
12/19/2016 10.6 639 98.8 8.6 4496.1
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW16
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4718.0
Date
10/13/2016 10.6 613 97.5 8.6 4493.3
10/26/2016 10.6 643 98.8 8.6 4494.7
11/09/2016 10.6 679 97.3 8.3 4496.1
11/21/2016 10.6 659 99.4 8.5 4496.6
12/06/2016 10.6 645 98.0 8.5 4494.8
12/19/2016 10.6 639 99.4 8.5 4491.8
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW17
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4692.0
Date
10/13/2016 10.6 614 98.4 8.6 4489.1
10/26/2016 10.5 639 98.9 8.6 4490.6
11/09/2016 10.6 674 97.3 8.3 4492.3
11/21/2016 10.6 658 96.6 8.5 4491.6
12/06/2016 10.8 640 99.0 8.6 4490.3
12/19/2016 10.6 637 100.5 8.6 4487.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 95 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW18
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 959 119.0 4690.0
Date
10/13/2016 11.0 617 100.4 8.6 4487.5
10/26/2016 10.8 636 98.0 8.6 4488.6
11/09/2016 10.6 671 97.1 8.5 4490.5
11/21/2016 10.6 656 98.0 8.5 4489.9
12/06/2016 10.8 638 98.4 8.6 4487.4
12/19/2016 10.6 635 98.5 8.6 4484.1
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW19
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4729.0
Date
10/12/2016 11.1 663 102.9 8.6 4490.9
10/26/2016 10.6 628 100.9 8.6 4490.2
11/10/2016 10.6 649 100.5 8.3 4491.7
11/21/2016 10.8 644 99.5 8.5 4491.7
12/06/2016 11.0 630 99.3 8.6 4487.0
12/20/2016 10.6 601 100.1 8.3 4482.8
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW20
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4710.0
Date
10/12/2016 11.0 646 104.1 8.6 4490.1
10/26/2016 10.8 617 104.5 8.6 4490.2
11/10/2016 10.6 625 102.0 8.5 4491.9
11/21/2016 10.8 581 104.6 8.6 4491.8
12/06/2016 10.8 611 103.5 8.6 4485.4
12/19/2016 10.6 610 103.5 8.6 4481.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 96 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW21
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4715.0
Date
10/11/2016 10.8 607 102.8 8.3 4492.5
10/25/2016 10.6 623 102.9 8.3 4492.6
11/08/2016 10.8 648 102.5 8.5 4494.2
11/20/2016 10.6 571 103.3 8.3 4494.0
12/06/2016 10.8 634 102.4 8.5 4489.1
12/20/2016 10.8 594 101.0 8.3 4484.7
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW22
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4679.0
Date
10/11/2016 10.8 592 106.0 8.6 4493.7
10/25/2016 11.0 614 104.0 8.6 4493.8
11/08/2016 11.1 633 106.3 8.8 4495.0
11/20/2016 11.0 556 104.5 8.6 4494.7
12/06/2016 11.0 615 105.3 8.6 4490.8
12/20/2016 11.1 587 102.4 8.6 4486.3
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW23
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4658.0
Date
10/11/2016 13.1 594 105.0 8.6 4493.2
10/25/2016 12.8 602 105.0 8.6 4492.9
11/10/2016 12.8 614 104.5 8.5 4494.4
11/20/2016 12.8 551 105.4 8.6 4494.0
12/05/2016 13.1 590 104.4 8.6 4490.9
12/20/2016 12.8 577 109.0 8.5 4486.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 97 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW24
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4669.0
Date
10/11/2016 12.6 601 103.6 8.6 4490.5
10/25/2016 12.5 606 105.4 8.6 4490.4
11/08/2016 12.8 630 105.8 8.6 4491.4
11/20/2016 12.6 552 105.6 8.6 4491.3
12/05/2016 13.1 596 104.4 8.6 4487.7
12/20/2016 11.0 580 103.4 8.5 4481.9
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW25
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4651.0
Date
10/11/2016 10.6 616 105.0 8.6 4486.3
10/25/2016 11.1 611 104.5 8.6 4486.4
11/08/2016 11.1 628 104.6 8.6 4487.3
11/20/2016 10.6 558 103.8 8.6 4487.4
12/05/2016 11.3 607 105.6 8.6 4481.5
12/20/2016 11.0 585 102.5 8.5 4474.0
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW26
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4647.0
Date
10/11/2016 10.8 610 103.8 8.6 4482.1
10/25/2016 10.6 617 103.5 8.6 4481.7
11/08/2016 11.1 637 105.6 8.6 4482.8
11/20/2016 10.8 565 104.5 8.5 4483.0
12/05/2016 11.1 608 103.0 8.6 4474.4
12/20/2016 10.6 581 102.0 8.3 4463.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 98 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW27
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4663.0
Date
10/11/2016 10.8 618 103.0 8.6 4480.1
10/25/2016 10.8 619 103.3 8.6 4480.3
11/08/2016 10.6 646 104.9 8.6 4480.8
11/20/2016 10.5 563 104.5 8.6 4481.0
12/05/2016 11.1 620 103.1 8.6 4470.8
12/20/2016 11.1 585 102.9 8.5 4457.7
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW28
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4629.0
Date
10/11/2016 11.1 619 103.5 8.6 4478.1
10/25/2016 10.6 620 104.4 8.6 4478.6
11/08/2016 10.8 652 104.9 8.8 4479.0
11/20/2016 10.6 563 103.6 8.6 4479.2
12/05/2016 10.8 620 102.9 8.6 4465.2
12/20/2016 10.8 589 100.6 8.6 4449.4
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW29
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4573.0
Date
10/06/2016 10.8 624 102.9 8.8 4479.5
10/25/2016 10.8 622 102.8 8.6 4477.5
11/10/2016 10.6 637 103.6 8.6 4478.9
11/20/2016 10.5 572 103.9 8.6 4477.4
12/05/2016 13.0 624 105.0 8.8 4461.6
12/20/2016 10.8 602 102.5 8.6 4442.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 99 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW30A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4598.7
Date
10/11/2016 10.8 625 104.0 8.5 4472.4
10/25/2016 10.6 627 102.3 8.5 4472.6
11/08/2016 10.8 651 104.4 8.8 4472.1
11/20/2016 10.6 579 104.4 8.5 4473.3
12/05/2016 11.1 621 102.8 8.6 4457.3
12/20/2016 10.6 624 100.8 8.3 4419.5
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW31
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4586.0
Date
10/06/2016 13.1 636 103.0 8.8 4472.1
10/25/2016 13.1 634 104.1 8.6 4471.5
11/10/2016 12.6 651 103.9 8.6 4472.4
11/20/2016 12.1 592 103.4 8.6 4472.1
12/05/2016 13.1 638 104.3 8.6 4456.6
12/20/2016 13.1 624 103.0 8.5 4392.5
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW32
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4558.0
Date
10/06/2016 10.7 636 101.4 8.6 4468.9
10/25/2016 10.8 632 102.5 8.6 4468.6
11/10/2016 10.8 649 100.6 8.5 4469.3
11/21/2016 11.0 601 100.8 8.6 4469.3
12/05/2016 11.1 634 101.1 8.6 4465.4
12/20/2016 10.6 621 98.0 8.3 4395.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 100 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW33
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4554.0
Date
10/06/2016 10.8 657 104.9 8.8 4465.8
10/25/2016 10.8 644 104.0 8.6 4465.9
11/10/2016 10.6 651 103.0 8.5 4466.1
11/21/2016 11.0 606 103.1 8.6 4466.9
12/05/2016 11.1 647 106.1 8.6 4470.9
12/20/2016 11.1 635 112.7 8.6 4406.8
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW34
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4548.0
Date
10/06/2016 10.8 651 99.5 8.6 4464.8
10/25/2016 10.8 646 100.8 8.6 4464.9
11/10/2016 10.8 640 99.3 8.5 4464.8
11/21/2016 10.5 602 101.0 8.6 4465.2
12/05/2016 11.1 645 99.1 8.6 4471.0
12/20/2016 10.6 633 97.0 8.3 4405.0
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW35
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4567.0
Date
10/06/2016 10.6 643 98.9 8.8 4465.3
10/25/2016 10.5 648 100.5 8.8 4465.3
11/10/2016 10.5 657 102.3 8.6 4465.1
11/20/2016 10.6 615 98.5 8.6 4466.2
12/05/2016 10.8 650 100.5 8.6 4471.1
12/20/2016 10.6 642 97.5 8.6 4400.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 101 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW36
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4611.0
Date
10/06/2016 14.1 673 114.9 8.6 4470.0
10/25/2016 14.1 677 114.0 8.6 4470.0
11/10/2016 14.1 690 112.5 8.3 4470.5
11/21/2016 14.0 689 113.4 8.5 4470.6
12/20/2016 18.1 747 148.1 * 8.0 4367.8
12/30/2016 16.5 697 131.3 * 8.3 4370.8
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW37
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4609.0
Date
10/06/2016 10.6 650 97.9 8.8 4471.3
10/25/2016 10.6 654 99.5 8.8 4471.4
11/10/2016 10.5 668 98.6 8.6 4471.9
11/21/2016 10.6 663 97.1 8.6 4472.1
12/06/2016 11.1 639 99.5 8.6 4457.4
12/21/2016 10.8 630 100.4 8.6 4365.6
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW38
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4621.0
Date
10/06/2016 10.6 651 96.6 8.6 4473.1
10/25/2016 10.8 655 101.4 8.6 4473.0
11/10/2016 10.8 670 98.3 8.5 4473.6
11/21/2016 10.6 661 97.0 8.6 4473.5
12/06/2016 10.9 640 97.8 8.6 4452.8
12/21/2016 10.6 631 98.0 8.6 4364.7
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 102 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW39
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4611.0
Date
10/06/2016 11.0 660 101.0 8.6 4473.6
10/26/2016 10.6 660 100.6 8.6 4473.7
11/10/2016 10.6 672 100.5 8.5 4473.9
11/21/2016 10.6 671 101.1 8.6 4475.1
12/06/2016 10.8 670 102.0 8.6 4451.7
12/21/2016 10.8 637 98.4 8.6 4374.4
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW40
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4645.0
Date
10/06/2016 11.0 657 97.4 8.8 4476.3
10/26/2016 10.6 655 95.8 8.6 4476.9
11/10/2016 10.6 667 95.9 8.5 4476.8
11/21/2016 10.5 663 95.9 8.6 4477.3
12/08/2016 10.3 646 95.9 8.5 4448.1
12/21/2016 10.8 642 96.3 8.6 4375.2
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW41
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4653.0
Date
10/06/2016 10.8 667 96.8 8.6 4477.5
10/26/2016 10.6 656 97.1 8.6 4476.6
11/10/2016 10.8 669 96.1 8.5 4478.5
11/21/2016 10.6 623 96.0 8.6 4478.5
12/06/2016 10.6 668 97.4 8.6 4443.7
12/21/2016 10.6 649 95.9 8.6 4388.7
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 103 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW42
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4634.0
Date
10/06/2016 11.3 662 95.9 8.8 4478.3
10/26/2016 10.6 653 96.0 8.6 4478.7
11/10/2016 10.5 667 96.3 8.5 4479.0
11/21/2016 10.6 622 95.5 8.6 4479.8
12/06/2016 10.8 674 95.8 8.6 4460.2
12/21/2016 10.3 654 95.1 8.6 4427.3
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW43
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4669.0
Date
10/06/2016 10.8 662 94.5 8.8 4479.0
10/26/2016 10.3 653 95.5 8.6 4478.8
11/10/2016 10.5 668 94.5 8.5 4479.8
11/21/2016 10.3 623 93.8 8.6 4480.1
12/06/2016 10.3 677 94.0 8.6 4469.5
12/21/2016 10.3 654 93.5 8.6 4446.1
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW44
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4671.0
Date
10/12/2016 10.6 682 96.1 8.6 4483.1
10/25/2016 10.5 656 96.8 8.6 4483.3
11/08/2016 10.6 655 94.0 8.6 4484.3
11/20/2016 10.3 605 94.5 8.6 4484.5
12/05/2016 11.1 657 94.9 8.6 4484.5
12/20/2016 10.6 645 92.1 8.5 4488.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 104 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW45
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4698.0
Date
10/06/2016 11.0 659 94.0 8.8 4486.0
10/26/2016 10.3 657 95.5 8.6 4485.8
11/10/2016 10.3 672 94.3 8.5 4487.2
11/21/2016 10.3 669 94.1 8.6 4487.3
12/06/2016 10.5 648 95.8 8.6 4484.9
12/21/2016 10.1 653 94.6 8.6 4473.8
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW46
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4666.0
Date
10/06/2016 10.8 658 95.9 8.8 4487.2
10/26/2016 10.1 658 95.1 8.6 4487.3
11/10/2016 10.5 677 94.6 8.6 4488.7
11/21/2016 10.3 671 93.9 8.6 4488.5
12/06/2016 10.3 648 94.5 8.6 4483.1
12/21/2016 10.5 654 92.8 8.6 4474.7
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10MW47
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4672.0
Date
10/06/2016 10.8 660 99.6 8.6 4487.0
10/26/2016 10.6 653 99.4 8.6 4487.4
11/10/2016 10.6 676 98.8 8.5 4488.9
11/21/2016 10.5 660 96.8 8.5 4488.5
12/06/2016 10.5 667 100.4 8.6 4483.3
12/21/2016 10.3 640 102.1 8.6 4477.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 105 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10MW48
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 26.0 748 123.0 4672.0
Date
10/06/2016 11.1 669 98.4 8.8 4486.7
10/26/2016 10.6 664 100.4 8.6 4487.1
11/10/2016 10.6 679 98.0 8.6 4488.3
11/21/2016 10.3 668 98.0 8.6 4487.6
12/06/2016 10.5 675 99.0 8.6 4483.4
12/21/2016 10.6 652 96.8 8.6 4478.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 106 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. MW-11S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.1 2922 316.6 4657.3
Date
11/30/2016 6.4 1146 101.0 8.1 4646.4
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW46S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.5 1087 184.4 4567.7
Date
10/14/2016 9.1 1303 * 133.8 8.1 4555.5
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW48S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.2 1775 268.3 4569.6
Date
10/14/2016 8.8 1763 125.8 8.0 4557.8
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW50S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.2 1775 268.3 4571.8
Date
10/14/2016 9.1 1228 176.5 8.1 4559.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 107 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 3 For time period
Well I.D. MW52S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.2 1775 268.3 4561.5
Date
10/06/2016 8.6 1498 110.0 8.1 4551.9
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW54S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.2 1775 268.3 4573.3
Date
10/14/2016 7.3 1449 119.8 8.1 4562.8
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW56S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.5 1087 184.4 4575.3
Date
10/14/2016 8.6 753 197.6 * 8.5 4561.9
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW58S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.5 1087 184.4 4577.6
Date
10/14/2016 7.4 848 116.4 8.8 4569.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 108 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 3 For time period
Well I.D. MW66S-2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.2 1775 268.3
Date
11/22/2016 7.9 1417 122.4 7.9 4575.3
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW68S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.5 3560 304.0
Date
11/02/2016 12.8 2434 150.6 7.5 4575.6
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW70S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 63.4 21365 5861.3
Date
11/02/2016 12.8 1926 79.0 8.0 4563.0
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW72S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 63.4 21365 5861.3
Date
11/02/2016 13.1 2198 174.3 7.8 4568.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 109 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW92S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.5 3560 304.0
Date
11/02/2016 12.8 2365 141.8 7.5 4572.5
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW94S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.5 3560 304.0
Date
11/03/2016 14.3 2798 187.5 7.4 4555.3
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW96S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.5 3560 304.0
Date
11/02/2016 12.6 2660 229.8 7.5 4568.9
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW98S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 63.4 21365 5861.3
Date
11/03/2016 13.8 2778 166.1 7.5 4560.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 110 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW100S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.5 3560 304.0
Date
11/02/2016 13.6 2581 175.1 7.6 4556.2
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW112S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 63.4 21365 5861.3
Date
11/03/2016 22.4 2021 120.8 10.6 4554.1
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW117S
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.6 768 144.5
Date
11/03/2016 8.0 780 * 134.6 8.3 4537.7
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4SM-1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 8.8 1570 142.7 4613.3
Date
11/22/2016 7.0 914 124.8 8.3 4612.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 111 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 4 For time period
Well I.D. 4SM-4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 8.8 1570 142.7 4598.2
Date
11/22/2016 6.5 1118 146.6 * 7.9 4600.1
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4SM-8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 8.8 1570 142.7 4592.4
Date
11/22/2016 6.9 896 113.4 8.1 4595.9
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4SRM-07
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 19.4 1175 447.1 4599.0
Date
11/22/2016 9.1 541 251.0 8.1 4582.3
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5SM1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.1 2922 316.6 4653.6
Date
11/30/2016 10.0 1239 121.4 8.3 4633.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 112 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5SM2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.1 2922 316.6 4642.9
Date
11/30/2016 8.6 1236 110.0 8.1 4679.1
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5SM3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.1 2922 316.6 4605.7
Date
11/30/2016 7.5 1666 101.2 8.3 4678.5
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5SM5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.1 2922 316.6 4654.7
Date
11/30/2016 6.0 1388 99.5 7.9 4683.8
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5SM6
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.1 2922 316.6 4680.8
Date
11/30/2016 13.6 597 158.1 8.3 4673.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 113 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5SM7
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.1 2922 316.6 4673.8
Date
11/30/2016 20.0 1128 254.3 7.9 4668.6
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6SM1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.0 1966 289.1 4713.6
Date
12/15/2016 6.9 1083 118.0 8.3 4705.0
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6SM2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.2 3574 238.2 4719.2
Date
12/15/2016 7.9 2031 77.3 8.0 4709.9
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6SM3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.2 3574 238.2 4715.6
Date
12/15/2016 8.4 2129 71.6 8.1 4719.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 114 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6SM4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.2 3574 238.2 4715.8
Date
12/15/2016 8.2 1658 33.0 9.1 4719.8
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6SM5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.0 1966 289.1 4724.6
Date
12/15/2016 8.6 1525 94.0 7.8 4712.8
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6SM6
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.0 1966 289.1 4700.7
Date
12/15/2016 13.1 524 249.3 8.1 4703.1
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6SM7
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.6 889 330.0 4719.5
Date
12/15/2016 13.1 508 239.1 8.1 4702.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 115 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6SM8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.2 3574 238.2 4731.2
Date
12/22/2016 9.8 2168 55.2 7.9 4734.2
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6SM9
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.2 3574 238.2 4734.7
Date
12/22/2016 9.0 1977 15.3 8.3 4735.0
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6SM10
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.6 889 330.0 4707.2
Date
12/01/2016 13.1 614 258.7 8.1 4693.6
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6SM11
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.2 3574 238.2 4735.0
Date
12/08/2016 13.8 2561 69.4 8.1 4734.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 116 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6SM12
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.2 3574 238.2 8.5 4734.0
Date
12/29/2016 13.2 2621 109.2 7.8 4733.5
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6SM13
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.2 3574 238.2 4733.5
Date
12/30/2016 13.5 2266 73.5 7.9 4734.2
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6SM14
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.0 1966 289.1 4713.8
Date
12/30/2016 9.1 1122 128.8 8.1 4714.5
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7SM1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4686.3
Date
10/03/2016 11.0 868 221.0 8.1 4675.0
10/18/2016 10.1 907 225.1 8.0 4674.9
11/01/2016 10.6 875 226.0 8.0 4674.8
11/14/2016 10.6 872 225.1 8.1 4674.8
11/28/2016 11.1 880 223.6 8.1 4675.0
12/13/2016 11.0 868 223.5 8.0 4675.1
12/28/2016 10.6 868 225.8 8.1 4675.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 117 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7SM10
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4691.6
Date
10/03/2016 12.8 511 248.6 8.5 4664.3
10/18/2016 12.5 529 253.1 8.3 4665.2
11/01/2016 12.8 511 256.3 8.3 4664.6
11/15/2016 10.8 507 254.3 8.5 4664.5
11/29/2016 10.6 509 254.3 8.3 4664.5
12/14/2016 10.8 515 251.1 8.5 4665.7
12/28/2016 11.3 518 253.8 8.5 4665.5
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7SM11
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4729.6
Date
10/04/2016 7.1 1338 81.6 8.0 4733.2
10/18/2016 5.5 1370 85.9 8.0 4733.1
11/01/2016 5.6 1327 86.4 8.0 4733.2
11/15/2016 6.0 1311 85.8 8.0 4733.1
11/29/2016 6.2 1323 84.8 8.0 4733.3
12/14/2016 6.3 1338 87.0 8.1 4733.2
12/28/2016 6.0 1337 86.4 8.1 4733.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 118 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7SM12
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4649.4
Date
10/04/2016 10.5 565 244.8 8.3 4660.4
10/18/2016 9.6 579 247.1 8.3 4661.1
11/01/2016 10.1 561 248.8 8.3 4661.0
11/15/2016 10.3 556 247.3 8.3 4660.7
11/29/2016 10.3 562 247.8 8.3 4661.3
12/14/2016 10.6 567 248.6 8.3 4661.2
12/28/2016 10.8 568 245.3 8.5 4660.8
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7SM13
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4730.5
Date
10/04/2016 9.5 2010 78.3 7.8 4733.8
10/18/2016 8.1 2040 81.0 7.6 4733.9
11/01/2016 9.0 1996 83.0 7.8 4733.7
11/15/2016 8.8 1982 82.3 7.9 4733.8
11/29/2016 8.1 2000 82.0 7.8 4733.9
12/14/2016 9.3 2000 82.0 7.8 4733.7
12/28/2016 8.8 2010 82.4 7.9 4733.9
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 119 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7SM2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4734.6
Date
10/03/2016 19.0 2220 606.7 7.5 4736.6
10/18/2016 18.0 2290 604.9 7.5 4736.5
11/01/2016 17.7 2210 605.2 7.5 4736.8
11/14/2016 18.3 2190 598.7 7.5 4735.7
11/28/2016 18.1 2250 600.7 7.5 4736.6
12/13/2016 16.7 2160 576.2 7.4 4736.5
12/28/2016 17.8 2190 601.0 7.5 4736.5
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7SM3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4663.6
Date
10/04/2016 10.1 1065 167.0 8.3 4654.1
10/19/2016 8.8 1072 174.7 8.1 4653.3
11/02/2016 9.1 1044 175.1 8.3 4652.7
11/16/2016 8.8 1061 175.1 8.3 4652.9
11/29/2016 8.0 1054 175.0 8.3 4652.4
12/14/2016 9.3 1059 175.3 8.3 4652.3
12/30/2016 9.6 1063 175.8 8.3 4652.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 120 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7SM4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4692.5
Date
10/03/2016 10.3 613 199.3 8.3 4677.7
10/17/2016 10.6 612 201.0 8.3 4677.7
11/01/2016 10.1 612 203.3 8.3 4677.6
11/14/2016 10.6 607 201.5 8.3 4677.4
11/28/2016 10.8 617 202.5 8.6 4677.9
12/13/2016 10.1 610 200.1 8.3 4677.8
12/28/2016 10.1 608 202.0 8.3 4678.0
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7SM5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4731.9
Date
10/04/2016 10.6 1809 107.5 7.6 4736.2
10/18/2016 10.1 1842 108.8 7.6 4736.2
11/01/2016 10.3 1783 110.6 7.8 4736.1
11/15/2016 10.3 1782 111.1 7.9 4736.2
11/29/2016 9.6 1799 109.9 7.8 4736.3
12/14/2016 10.3 1805 112.4 7.8 4736.1
12/28/2016 10.6 1799 111.1 7.8 4736.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 121 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7SM6
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4666.1
Date
10/03/2016 13.3 468 215.5 9.1 4662.4
10/18/2016 13.1 486 211.7 9.1 4662.6
11/02/2016 13.5 465 222.8 9.3 4662.1
11/15/2016 13.1 467 219.0 9.1 4662.0
11/28/2016 13.1 473 219.8 9.3 4661.5
12/13/2016 12.8 466 218.3 9.3 4662.2
12/28/2016 13.1 472 216.8 9.3 4662.2
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7SM7
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4684.8
Date
10/04/2016 13.3 571 220.6 8.3 4663.3
10/19/2016 12.6 573 229.0 8.3 4663.5
11/02/2016 13.1 560 232.5 8.5 4664.2
11/16/2016 13.1 564 235.3 8.3 4663.4
11/29/2016 13.0 567 236.1 8.3 4663.3
12/14/2016 13.3 567 235.6 8.3 4663.6
12/30/2016 13.3 567 233.3 8.5 4664.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 122 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7SM8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4729.3
Date
10/04/2016 8.1 1059 73.8 8.0 4730.8
10/18/2016 7.0 1083 77.6 8.0 4730.8
11/01/2016 7.1 1046 77.0 8.0 4730.8
11/15/2016 7.3 1040 77.5 8.1 4730.7
11/29/2016 6.5 1049 76.9 8.0 4730.9
12/13/2016 7.4 1047 76.0 8.1 4731.0
12/28/2016 7.3 1057 77.6 8.1 4730.9
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7SM9
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 5474 1329.2 4672.9
Date
10/03/2016 13.4 576 253.1 8.1 4661.4
10/17/2016 13.1 576 265.3 8.1 4661.5
11/01/2016 13.3 579 268.2 8.3 4661.3
11/14/2016 13.6 580 270.2 8.3 4661.4
11/28/2016 13.2 578 267.7 8.3 4661.5
12/13/2016 13.6 575 266.7 8.3 4661.6
12/28/2016 13.6 584 264.5 8.3 4661.7
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8SM1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date Insufficient Recovery, Water Level Only
10/13/2016 Insufficient Recovery, Water Level Only 4520.5
10/25/2016 Insufficient Recovery, Water Level Only 4516.9
11/09/2016 Insufficient Recovery, Water Level Only 4514.1
11/21/2016 Insufficient Recovery, Water Level Only 4512.0
12/06/2016 Insufficient Recovery, Water Level Only 4511.9
12/21/2016 Insufficient Recovery, Water Level Only 4513.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 123 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8SM2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
10/13/2016 Insufficient Recovery, Water Level Only 4494.8
10/25/2016 Insufficient Recovery, Water Level Only 4494.5
11/09/2016 Insufficient Recovery, Water Level Only 4493.9
11/21/2016 Insufficient Recovery, Water Level Only 4492.8
12/06/2016 Insufficient Recovery, Water Level Only 4493.2
12/21/2016 4494.1
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8SM3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
10/13/2016 Insufficient Recovery, Water Level Only 4487.1
10/25/2016 Insufficient Recovery, Water Level Only 4487.8
11/09/2016 Insufficient Recovery, Water Level Only 4487.0
11/20/2016 Insufficient Recovery, Water Level Only 4486.9
12/05/2016 Insufficient Recovery, Water Level Only 4488.0
12/21/2016 Insufficient Recovery, Water Level Only 4488.7
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8SM4-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 40.0 4660 232.0 4604.7
Date
10/13/2016 25.5 4690 * 156.6 7.5 4485.4
10/25/2016 24.8 4760 * 159.7 7.6 4483.0
11/09/2016 25.2 4790 * 154.6 7.6 4474.1
11/20/2016 25.0 4790 * 159.5 7.8 4473.7
12/07/2016 24.7 4800 * 154.0 7.8 4473.5
12/21/2016 25.2 4710 * 158.3 7.6 4474.9
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 124 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8SM5-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 4659 268.0 4573.9
Date
10/13/2016 9.1 667 170.0 8.1 4479.1
10/25/2016 9.1 682 173.5 8.3 4479.7
11/09/2016 9.1 690 173.8 8.3 4478.9
11/20/2016 9.6 671 172.3 8.5 4479.9
12/07/2016 9.6 690 171.8 8.5 4479.5
12/21/2016 9.8 679 170.8 8.3 4479.3
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8SM8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
10/13/2016 Insufficient Recovery, Water Level Only 4472.4
10/25/2016 Insufficient Recovery, Water Level Only 4473.0
11/09/2016 Insufficient Recovery, Water Level Only 4472.6
11/21/2016 Insufficient Recovery, Water Level Only 4473.5
12/06/2016 Insufficient Recovery, Water Level Only 4474.0
12/21/2016 Insufficient Recovery, Water Level Only 4473.2
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8SM9
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 4659 268.0 4545.9
Date
10/13/2016 7.8 1217 121.4 8.3 4474.6
10/25/2016 7.6 1248 121.0 8.5 4475.8
11/09/2016 8.0 1249 122.8 8.5 4475.4
11/20/2016 7.8 1227 124.4 8.6 4476.3
12/07/2016 7.6 1258 121.1 8.3 4474.7
12/21/2016 7.8 1233 120.4 8.5 4476.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 125 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8SM10
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 4550.3
Date
10/13/2016 Insufficient Recovery, Water Level Only 4471.5
10/25/2016 Insufficient Recovery, Water Level Only 4472.5
11/09/2016 Insufficient Recovery, Water Level Only 4474.3
11/21/2016 Insufficient Recovery, Water Level Only 4474.4
12/06/2016 Insufficient Recovery, Water Level Only 4474.8
12/21/2016 Insufficient Recovery, Water Level Only 4475.1
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8SM11
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 4659 268.0 4557.5
Date
10/13/2016 21.5 2010 322.7 * 7.3 4472.7
10/24/2016 20.1 2050 322 * 7.5 4474.5
11/07/2016 20.0 2040 310.5 * 7.5 4474.9
11/20/2016 19.2 2010 295.2 * 7.5 4474.3
12/05/2016 19.1 2040 287.1 * 7.5 4474.2
12/19/2016 19.3 2010 277.5 * 7.6 4475.7
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8SM12
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
10/13/2016 Insufficient Recovery, Water Level Only 4496.1
10/25/2016 Insufficient Recovery, Water Level Only 4495.6
11/09/2016 Insufficient Recovery, Water Level Only 4496.2
11/21/2016 Insufficient Recovery, Water Level Only 4495.2
12/06/2016 Insufficient Recovery, Water Level Only 4495.5
12/21/2016 Insufficient Recovery, Water Level Only 4496.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 126 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8SM13
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
10/13/2016 Insufficient Recovery, Water Level Only 4498.5
10/25/2016 Insufficient Recovery, Water Level Only 4499.1
11/09/2016 Insufficient Recovery, Water Level Only 4499.8
11/21/2016 Insufficient Recovery, Water Level Only 4499.2
12/06/2016 Insufficient Recovery, Water Level Only 4499.3
12/21/2016 Insufficient Recovery, Water Level Only 4500.8
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8SM-14
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 25.0 4659 268.0 4552.7
Date
10/13/2016 13.1 2070 128.8 7.8 4474.0
10/24/2016 12.8 2100 126.3 7.8 4475.6
11/07/2016 13.1 2100 123.3 7.8 4477.5
11/20/2016 12.8 2100 121.4 7.9 4476.8
12/07/2016 13.0 2140 121.5 7.9 4476.1
12/21/2016 13.1 2100 120.0 7.8 4478.1
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10SM1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1932 331.0 4634.1
Date
10/12/2016 13.3 1210 159.3 8.3 4511.4
10/26/2016 13.3 1245 160.1 8.3 4511.3
11/09/2016 13.3 1283 159.3 8.1 4511.4
11/21/2016 13.3 1261 161.8 8.1 4511.6
12/06/2016 13.3 1285 162.8 8.1 4511.5
12/19/2016 13.3 1237 166.6 8.3 4502.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 127 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10SM2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1932 331.0 4661.8
Date
10/12/2016 10.3 538 205.5 8.8 4510.8
10/26/2016 10.1 517 206.6 8.8 4511.1
11/09/2016 10.1 532 202.8 8.6 4511.2
11/21/2016 9.8 492 203.1 8.6 4511.5
12/06/2016 10.1 530 206.6 8.6 4511.4
12/19/2016 10.1 506 206.3 8.8 4510.9
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10SM3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1932 331.0 4697.5
Date
10/12/2016 10.0 722 150.8 8.6 4510.3
10/26/2016 9.3 695 150.3 8.5 4510.2
11/09/2016 9.1 715 147.6 8.3 4510.0
11/21/2016 9.1 668 147.8 8.3 4510.6
12/06/2016 9.3 712 149.5 8.5 4510.5
12/19/2016 9.1 685 148.8 8.6 4510.2
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10SM4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1932 331.0 4705.1
Date
10/12/2016 9.8 596 153.8 8.6 4508.5
10/26/2016 9.6 572 153.5 8.6 4508.3
11/09/2016 9.3 591 151.1 8.5 4508.4
11/21/2016 9.3 553 152.3 8.5 4508.7
12/06/2016 9.6 589 153.3 8.6 4508.6
12/19/2016 9.3 565 153.6 8.6 4508.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 128 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10SM5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1350 223.0 4675.3
Date
10/12/2016 7.5 960 94.6 8.6 4501.7
10/25/2016 7.4 979 95.6 8.6 4501.9
11/08/2016 7.6 989 96.5 8.6 4502.0
11/20/2016 7.4 910 94.8 8.5 4502.0
12/06/2016 7.5 1016 93.0 8.5 4502.1
12/20/2016 7.5 969 92.5 8.3 4501.6
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10SM6
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1350 223.0 4673.7
Date
10/11/2016 8.3 816 106.8 8.5 4500.0
10/25/2016 8.1 835 107.6 8.6 4500.1
11/08/2016 7.5 840 105.2 8.6 4499.8
11/20/2016 7.6 761 106.1 8.5 4500.2
12/06/2016 7.9 855 107.4 8.5 4500.1
12/20/2016 8.0 822 105.5 8.3 4499.8
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10SM7
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1350 223.0 4707.2
Date
10/06/2016 10.3 583 141.6 8.8 4502.8
10/26/2016 10.3 575 142.6 8.8 4502.5
11/10/2016 9.0 769 126.4 8.3 4502.1
11/21/2016 9.8 644 135.3 8.6 4502.9
12/05/2016 10.3 586 142.3 8.6 4503.2
12/19/2016 8.8 784 130.6 8.6 4501.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 129 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10SM8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1350 223.0 4718.5
Date
10/06/2016 10.6 561 160.6 8.8 4498.3
10/26/2016 9.8 555 161.1 8.6 4498.2
11/10/2016 10.1 560 159.6 8.6 4498.3
11/21/2016 9.5 526 162.0 8.6 4498.6
12/05/2016 10.1 558 159.6 8.6 4498.7
12/19/2016 9.8 548 159.1 8.8 4498.0
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10SM9
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1350 223.0 4626.2
Date
10/06/2016 8.6 786 116.1 8.6 4490.9
10/25/2016 8.1 774 120.5 8.6 4491.1
11/08/2016 7.8 784 114.4 8.6 4490.8
11/20/2016 8.3 710 117.9 8.5 4491.0
12/05/2016 8.6 768 117.6 8.6 4491.1
12/20/2016 8.5 767 115.8 8.3 4490.3
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10SM10
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1886 223.0 4659.1
Date
10/06/2016 13.5 2483 * 209.0 7.8 4493.3
10/25/2016 13.6 2493 * 204.5 7.8 4493.2
11/10/2016 13.3 2503 * 199.3 7.6 4493.3
11/21/2016 13.5 2503 * 202.1 7.6 4493.7
12/05/2016 13.1 2493 * 201.1 7.6 4493.8
12/19/2016 13.1 2453 * 199.8 7.8 4493.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 130 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 10 For time period
Well I.D. 10SM11
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1350 223.0 4661.7
Date
10/06/2016 12.8 1174 130.3 8.5 4492.6
10/25/2016 13.1 1257 129.3 8.3 4492.5
11/10/2016 12.8 1256 130.0 8.3 4492.3
11/21/2016 11.0 1184 130.1 8.3 4492.8
12/06/2016 12.8 1296 129.6 8.3 4492.6
12/21/2016 13.1 1317 128.3 8.3 4492.1
*Values Exceed Upper Control Limit
Mine Unit 10 For time period
Well I.D. 10SM12
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.0 1350 223.0 4618.2
Date
10/06/2016 9.3 826 117.8 8.8 4489.0
10/25/2016 10.3 799 124.0 8.8 4489.1
11/10/2016 8.6 842 119.3 8.6 4488.9
11/21/2016 9.1 826 122.0 8.8 4489.2
12/05/2016 9.1 835 119.5 8.8 4489.1
12/20/2016 8.3 815 116.3 8.8 4488.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 131 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. MW-12D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.8 1017 420.9 4620.1
Date
11/30/2016 10.6 639 131.1 8.3 4609.3
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW45D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.7 753 153.3 4569.5
Date
10/14/2016 10.1 617 108.8 8.6 4534.4
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW47D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.7 753 153.5 4572.3
Date
10/14/2016 9.3 604 117.1 8.8 4537.8
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW49D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.7 753 153.3 4574.0
Date
10/14/2016 9.5 608 124.0 8.6 4540.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 132 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 3 For time period
Well I.D. MW51D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.7 753 153.3 4567.9
Date
10/06/2016 11.1 657 108.0 8.3 4530.8
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW53D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.7 753 153.3 4573.3
Date
10/14/2016 10.3 632 106.0 8.8 4543.5
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW55D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.7 753 153.3 4573.2
Date
11/22/2016 10.1 587 127.6 8.6 4544.3
*Values Exceed Upper Control Limit
Mine Unit 3 For time period
Well I.D. MW57D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.7 753 153.3 4572.2
Date
11/22/2016 10.8 637 106.1 8.5 4548.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 133 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 3 For time period
Well I.D. MW65D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.7 753 153.3
Date
11/22/2016 8.6 506 168.8 * 9.1 4556.1
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW67D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 12.9 789 134.0
Date
11/02/2016 9.1 562 156 * 8.8 4530.8
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW69D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 12.9 789 134.0
Date
11/02/2016 9.3 612 120.3 8.8 4530.7
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW71D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 12.9 789 134.0
Date
11/02/2016 10.0 630 117.8 9.0 4535.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 134 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW91D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 12.9 789 134.0
Date
11/02/2016 9.0 517 188.6 * 8.5 4530.0
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW93D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 12.9 789 134.0
Date
11/03/2016 10.3 698 107.8 8.5 4526.4
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW95D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 12.9 789 134.0
Date
11/02/2016 10.1 648 109.5 8.6 4528.6
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW97D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.8 723 143.3
Date
11/03/2016 10.6 658 114.3 8.5 4527.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 135 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW99D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.8 723 143.3
Date
11/02/2016 10.8 612 115.4 8.6 4523.4
*Values Exceed Upper Control Limit
Mine Unit 2 For time period
Well I.D. MW113D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 13.8 723 143.3
Date
11/03/2016 10.1 543 206.5 * 8.8 4523.1
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4DM-1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 14.1 712 189.2 4590.7
Date
11/22/2016 9.1 589 123.0 8.6 4569.3
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4DM-4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 14.1 712 189.2 4582.9
Date
11/22/2016 8.3 530 142.8 8.6 4564.0
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 136 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 4 For time period
Well I.D. 4DM-8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 14.1 712 189.2 4580.1
Date
11/22/2016 8.8 535 146.8 8.6 4559.7
*Values Exceed Upper Control Limit
Mine Unit 4 For time period
Well I.D. 4DRM-07
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 14.1 712 189.2 4587.2
Date
11/22/2016 8.6 544 134.6 8.6 4565.9
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5DM1A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.8 1017 420.9 4620.3
Date
11/30/2016 5.5 413 194.3 8.8 4606.2
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5DM2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.8 1017 420.9 4641.0
Date
11/30/2016 13.2 643 109.4 9.5 4617.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 137 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5DM3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.8 1017 420.9 4621.7
Date
11/30/2016 10.5 574 103.4 9.1 4608.1
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5DM4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.8 1017 420.9 4620.8
Date
10/03/2016 5.5 402 209.1 8.8 4607.1
10/18/2016 5.5 437 211.3 8.8 4607.0
11/01/2016 5.0 429 209.8 8.6 4606.5
11/14/2016 5.7 417 213.7 7.5 4605.9
11/28/2016 5.5 427 212.3 8.6 4606.3
12/13/2016 5.3 439 211.6 8.6 4605.0
12/28/2016 5.5 425 209.3 8.6 4606.4
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5DM5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.8 1017 420.9 4658.0
Date
11/30/2016 5.4 454 230.8 8.6 4606.4
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5DM7
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.8 1017 420.9 4616.9
Date
11/30/2016 7.6 534 233.3 8.5 4607.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 138 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. WCOW-37D
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.8 1017 420.9 4775.3
Date
11/30/2016 8.8 472 226.5 8.6 4605.3
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 139 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. WCOW-04
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.1 2922 316.6 4668.1
Date
10/03/2016 6.5 1124 108.1 8.3 4648.3
10/18/2016 6.6 1185 111.3 8.3 4648.1
11/01/2016 6.4 1177 109.8 8.3 4647.9
11/14/2016 5.8 1153 109.0 8.6 4648.1
11/28/2016 6.3 1200 109.9 8.1 4648.2
12/13/2016 6.4 1240 108.5 8.1 4646.0
12/28/2016 6.4 1185 110.4 8.1 4647.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR SHALLOW SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 140 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6DM1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 21.9 1682 129.4 4606.9
Date
12/15/2016 7.9 833 91.0 8.1 4603.0
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6DM2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 21.9 1682 129.4 4615.5
Date
12/15/2016 6.3 1199 70.5 8.8 4603.8
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6DM3-2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 21.9 1682 129.4 4610.3
Date
12/15/2016 6.0 1217 71.6 7.9 4605.1
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6DM4-2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 21.9 1682 129.4 4608.5
Date
12/15/2016 6.1 1136 76.6 8.1 4606.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 141 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6DM5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 21.9 1682 129.4 4613.7
Date
12/15/2016 6.3 1207 75.5 7.8 4607.3
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6DM6
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 21.9 1682 129.4 4590.6
Date
12/01/2016 7.5 862 88.8 8.5 4617.7
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6DM7
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 21.9 1682 129.4 4606.2
Date
12/08/2016 7.6 887 86.5 8.3 4624.2
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6DM8
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 21.9 1682 129.4 4598.3
Date
12/01/2016 7.9 880 85.8 8.3 4623.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 142 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6DM9
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 21.9 1682 129.4 4591.7
Date
12/01/2016 8.1 867 87.3 8.0 4619.1
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6DM10
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 21.9 1682 129.4 4622.4
Date
12/01/2016 8.1 846 88.1 8.5 4618.9
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6DM11
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 1101 385.3 4632.9
Date
12/08/2016 8.8 614 154.3 8.3 4624.2
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6DM12
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 1101 385.3 4632.0
Date
12/29/2016 8.6 540 123.0 8.7 4626.9
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 143 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6DM13
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 22.9 1101 385.3 4631.4
Date
12/30/2016 9.0 637 184.5 8.3 4621.3
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6DM14
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 21.9 1682 129.4 4584.7
Date
12/30/2016 8.1 825 87.0 8.5 4612.0
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7DM1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.0 839 522.6 4629.9
Date
10/03/2016 7.5 517 251.3 8.3 4616.3
10/18/2016 7.4 523 262.5 8.3 4616.4
11/01/2016 7.0 511 262.1 8.3 4617.0
11/14/2016 7.0 515 264.1 8.5 4616.6
11/28/2016 7.3 520 261.2 8.6 4616.9
12/13/2016 7.0 514 259.3 8.3 4616.9
12/28/2016 7.0 521 261.5 8.5 4617.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 144 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7DM2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.0 839 522.6 4634.6
Date
10/03/2016 11.0 578 183.3 8.1 4620.5
10/18/2016 10.8 583 193.1 8.3 4619.9
11/01/2016 10.1 573 195.3 8.5 4620.8
11/14/2016 10.1 572 194.5 8.5 4620.8
11/28/2016 10.8 580 195.3 8.6 4621.1
12/13/2016 10.1 574 193.3 8.5 4620.9
12/28/2016 10.1 579 193.3 8.5 4621.1
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7DM3B
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.0 839 522.6 4644.4
Date
10/04/2016 9.6 600 291.2 9.0 4592.0
10/18/2016 9.3 605 294.0 9.0 4594.6
11/01/2016 9.3 592 297.7 9.0 4594.4
11/15/2016 9.3 587 295.8 9.1 4594.2
11/29/2016 8.6 592 294.6 9.1 4594.3
12/14/2016 9.5 600 297.7 9.1 4596.1
12/28/2016 10.1 595 297.5 9.1 4595.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 145 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7DM4B
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 23.0 839 522.6 4629.8
Date
10/04/2016 8.3 553 266.7 8.3 4615.3
10/19/2016 7.6 555 277.6 8.1 4615.4
11/02/2016 8.1 545 280.1 8.3 4615.5
11/16/2016 8.1 547 280.6 8.3 4615.6
11/29/2016 7.1 545 279.7 8.3 4616.0
12/14/2016 7.5 553 282.2 8.3 4615.8
12/30/2016 8.6 553 272.0 8.3 4616.2
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8DM3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.9 731 114.2 4506.8
Date
10/11/2016 10.8 625 87.8 8.8 4476.9
10/25/2016 10.1 624 88.8 8.8 4476.4
11/08/2016 10.1 628 90.0 8.8 4476.3
11/20/2016 10.1 626 89.0 8.8 4476.1
12/05/2016 10.7 630 88.6 8.8 4476.2
12/21/2016 10.6 620 88.0 8.8 4476.0
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8DM4-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.9 731 114.2 4604.8
Date
10/13/2016 12.8 646 127.1 * 8.5 4472.7
10/31/2016 15.1 718 188 * 8.0 4353.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 146 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8DM5-B
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.9 731 114.2 4571.9
Date
10/13/2016 10.3 613 89.1 8.3 4470.8
10/25/2016 10.1 628 90.6 8.6 4470.4
11/09/2016 9.5 632 91.0 8.5 4470.2
11/20/2016 9.8 617 90.4 8.6 4470.0
12/07/2016 9.8 633 88.5 8.6 4469.8
12/21/2016 9.8 622 89.0 8.6 4469.7
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8DM6-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.9 731 114.2 4605.1
Date
10/12/2016 10.1 615 89.9 8.1 4463.2
10/25/2016 9.8 620 91.8 8.5 4462.8
11/09/2016 10.1 628 92.5 8.5 4462.7
11/20/2016 10.1 620 91.1 8.5 4462.1
12/07/2016 9.8 627 90.6 8.5 4461.5
12/21/2016 9.6 620 91.0 8.3 4461.3
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8DM7
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.9 731 114.2 4618.3
Date
10/12/2016 10.5 625 90.6 8.3 4466.2
10/25/2016 10.1 628 92.0 8.6 4465.8
11/09/2016 10.0 637 92.0 8.8 4465.1
11/20/2016 10.0 623 92.5 8.8 4464.2
12/07/2016 9.6 635 91.5 8.8 4463.8
12/21/2016 9.3 627 91.5 8.6 4463.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 147 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8DM8B
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.9 731 114.2 4578.9
Date
10/12/2016 10.1 655 90.4 8.1 4471.5
10/25/2016 9.6 663 92.8 8.6 4471.1
11/09/2016 10.1 669 92.6 8.5 4471.2
11/20/2016 10.1 655 91.5 8.6 4470.8
12/07/2016 9.5 668 91.8 8.6 4469.9
12/21/2016 9.5 656 92.5 8.5 4470.2
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8DM9-A
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.9 731 114.2 4546.1
Date
10/13/2016 10.1 631 92.0 8.3 4472.8
10/25/2016 10.0 643 94.9 8.6 4472.4
11/09/2016 10.0 649 93.1 8.6 4472.6
11/20/2016 10.5 629 92.0 8.6 4472.3
12/07/2016 10.1 647 91.3 8.6 4472.4
12/21/2016 10.5 637 91.4 8.6 4472.0
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8DM10
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.9 731 114.2 4550.8
Date
10/13/2016 10.8 603 90.8 8.6 4477.0
10/24/2016 10.3 610 92.1 8.8 4477.1
11/07/2016 10.6 610 92.5 8.8 4477.3
11/20/2016 10.3 602 91.4 8.8 4477.4
12/07/2016 10.3 621 91.4 8.8 4476.5
12/21/2016 10.6 608 91.0 8.6 4476.5
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 148 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 8 For time period
Well I.D. 8DM-11
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.9 731 114.2 4550.7
Date
10/13/2016 10.3 604 91.4 8.3 4470.3
10/24/2016 10.1 617 92.3 8.6 4470.2
11/07/2016 10.7 619 93.0 8.6 4470.4
11/20/2016 10.8 609 92.4 8.6 4470.7
12/07/2016 10.1 629 91.8 8.6 4470.5
12/21/2016 10.6 617 90.9 8.6 4470.5
*Values Exceed Upper Control Limit
Mine Unit 8 For time period
Well I.D. 8DM-14
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 24.9 731 114.2 4552.1
Date
10/13/2016 10.6 561 92.6 8.3 4476.3
10/25/2016 10.3 574 93.5 8.5 4476.4
11/09/2016 10.3 572 94.1 8.5 4476.5
11/20/2016 10.8 563 92.3 8.6 4477.0
12/07/2016 10.3 576 92.9 8.6 4476.8
12/21/2016 10.8 565 92.4 8.5 4476.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
INTERIOR DEEP SAND MONITOR WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 149 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 2 For time period
Well I.D. MW87T
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
11/11/2016 12.6 675 97.5 8.3 4552.8
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5TW-1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
11/30/2016 10.1 745 107.0 8.3 4626.2
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6TW1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
12/22/2016 16.0 1077 309.6 7.9 4620.2
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6TW2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
12/15/2016 47.7 2120 355.3 7.6 4620.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 150 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6TW3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
12/22/2016 4.8 1297 69.5 8.0 4621.2
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6TW4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
12/15/2016 29.1 1853 217.0 7.5 4620.1
*Values Exceed Upper Control Limit
Mine Unit 6 For time period
Well I.D. 6TW5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
12/22/2016 33.5 2149 553.7 7.5 4621.8
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7TW1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 4625.2
Date
10/03/2016 5.9 1379 64.3 7.9 4632.9
10/18/2016 5.9 1385 68.0 8.0 4628.2
11/01/2016 5.0 1373 68.9 8.1 4632.7
11/14/2016 5.0 1369 68.5 8.0 4631.3
11/28/2016 5.4 1386 68.4 8.1 4629.6
12/13/2016 5.4 1374 67.4 8.1 4628.7
12/28/2016 5.0 1384 69.0 8.1 4628.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 151 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7TW2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 4627.5
Date
10/04/2016 13.6 1531 143.1 7.8 4635.3
10/19/2016 13.8 1578 163.8 7.6 4630.1
11/02/2016 13.0 1489 135.3 7.6 4634.5
11/16/2016 12.8 1500 131.6 7.5 4634.4
11/29/2016 13.3 1537 153.6 7.5 4629.8
12/14/2016 13.8 1580 171.1 7.6 4631.1
12/29/2016 14.1 1588 171.3 7.5 4630.8
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7TW3
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 4633.9
Date
10/04/2016 104.9 4840 1634.0 6.9 4637.8
10/19/2016 102.5 4910 1710.9 6.8 4632.4
11/02/2016 101.8 4820 1724.5 6.9 4635.9
11/15/2016 101.5 4810 1724.5 7.0 4635.8
11/29/2016 101.4 4850 1718.0 6.8 4631.8
12/14/2016 102.6 4900 1724.3 6.8 4633.4
12/29/2016 103.5 4900 1707.4 7.0 4633.2
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 152 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7TW4
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 4756.8
Date
10/03/2016 5.6 1388 69.8 8.0 4640.8
10/18/2016 5.6 1391 70.5 8.0 4636.6
11/01/2016 5.5 1373 70.9 8.1 4637.7
11/14/2016 6.0 1375 70.9 8.1 4637.7
11/28/2016 5.8 1389 70.0 8.1 4636.4
12/13/2016 5.5 1377 70.4 8.1 4636.2
12/28/2016 4.8 1387 70.1 8.1 4636.3
*Values Exceed Upper Control Limit
Mine Unit 7 For time period
Well I.D. 7TW5
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 4625.6
Date
10/04/2016 5.9 1374 69.0 7.3 4634.9
10/18/2016 5.9 1390 70.9 8.1 4628.3
11/01/2016 5.4 1360 71.5 8.1 4632.5
11/15/2016 4.8 1355 72.5 7.5 4628.2
11/29/2016 5.3 1370 72.5 7.5 4628.0
12/14/2016 5.8 1376 71.8 7.4 4629.5
12/28/2016 5.0 1376 72.3 8.1 4629.6
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 153 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 7 For time period
Well I.D. 7TW6
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 4621.5
Date
10/04/2016 5.9 1338 69.1 7.6 4638.2
10/18/2016 5.6 1353 72.0 8.0 4632.3
11/01/2016 5.5 1328 73.1 8.1 4633.7
11/15/2016 5.1 1317 72.6 7.9 4631.3
11/29/2016 5.4 1333 71.6 7.8 4629.7
12/14/2016 5.6 1334 73.4 7.8 4631.6
12/28/2016 5.3 1341 73.9 8.1 4633.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 154 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 6 For time period
Well I.D. 6DT1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
12/15/2016 8.6 851 92.5 8.3 4609.4
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
INTERIOR DEEP SAND TREND WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 155 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5DM8T
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
11/30/2016 8.6 613 130.3 8.5 4629.2
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5DM9T
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit
Date
11/30/2016 10.6 531 111.0 8.6 4630.0
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5AH57-1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 4822.1
Date
10/03/2016 29.1 1408 441.7 7.1 4614.0
10/19/2016 28.8 1473 447.0 7.0 4613.5
10/31/2016 27.8 1451 435.7 7.4 4616.3
11/14/2016 27.4 1356 420.2 7.3 4616.7
11/28/2016 26.7 1417 415.2 7.1 4616.2
12/13/2016 25.7 1304 374.3 7.1 4615.9
12/28/2016 25.2 1280 375.8 7.4 4614.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 156 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5AG70-1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 4793.8
Date
10/03/2016 59.7 2591 940.9 7.0 4612.6
10/19/2016 59.5 2787 936.6 7.0 4611.9
10/31/2016 61.5 2797 951.7 7.3 4613.9
11/14/2016 54.2 2601 920.3 8.3 4615.1
11/28/2016 42.9 2453 859.5 7.0 4614.5
12/13/2016 52.0 2572 911.0 7.1 4613.9
12/29/2016 53.7 2631 905.0 7.3 4611.4
*Values Exceed Upper Control Limit
Mine Unit 5 For time period
Well I.D. 5AW54-2
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 4877.4
Date
10/03/2016 59.7 2021 620.5 7.5 4614.9
10/19/2016 59.8 2139 614.3 7.3 4614.4
10/31/2016 62.4 2178 606.0 7.5 4617.8
11/14/2016 61.8 2139 615.0 7.5 4618.6
11/28/2016 60.5 2188 618.5 7.4 4617.6
12/13/2016 62.0 2159 624.7 7.3 4617.2
12/28/2016 60.0 2208 638.1 7.5 4615.8
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 157 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Mine Unit 5 For time period
Well I.D. 5AV46-1
Water Quality
Parameters
Chloride Specific
Conductance
Total Alkalinity pH Uranium Piezometric
Elevation
Units mg/l µ mho/cm mg/l as CaCO3 mg/l msl
Upper Control
Limit 4803.9
Date
10/03/2016 46.5 1719 496.6 7.5 4619.1
10/19/2016 47.0 1676 469.0 7.4 4618.6
10/31/2016 46.2 1735 493.3 7.6 4621.5
11/14/2016 47.8 1709 508.6 7.4 4622.6
11/28/2016 46.2 1746 499.6 7.5 4621.8
12/13/2016 44.2 1688 467.0 7.5 4621.6
12/28/2016 45.7 1704 487.5 7.5 4620.1
*Values Exceed Upper Control Limit
CHRISTENSEN RANCH
PERIMETER ORE ZONE TREND WELL 10/1/2016 to 12/31/2016
Attachment B
January 2017
Page 158 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478
Attachment B
January 2017
Page 159 of 152
4th Quarter WDEQ Report
Willow Creek Project
Permit to Mine 478