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BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9'...

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Page 1 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC 2 Logged By: DP Depth (feet bgs) Recovery Blow Counts Time Sample No. USCS Graphic Log OVA (ppm, BZ = breathing zone) H 0800 SP PID = 0.0 A N D A U G E R 100% 0811 SP PID = 0.0 100% 0815 SP-SM PID = 0.0 ML ML 100% 820 SP-SM PID = 0.0 ML 80% 0824 SP-SM ---- 10 ---- ---- 11 ---- Date Boring Started: Date Boring Completed: ---- 1 ---- Borehole Depth: Borehole Diameter: F33 - Characterization Beaumont, CA Site 1 100-SBO-22288-0203 Holly Hanke 24-Jul-2008 24-Jul-2008 ---- 14 ---- ---- 15 ---- ---- 16 ---- Interval and Lithologic Description 0 to 5' bgs. POORLY GRADED SAND: (2.5Y 6/2) light brownish gray, very loose, dry, 100% subrounded to subangular very fine to fine grained sand, poorly graded, slightly micaceous, quartz and feldspar clasts are visible, no odor. ---- 2 ---- BORING LOG F33-DP17 ---- 0 ---- ---- 8 ---- ---- 9 ---- ---- 5 ---- ---- 18 ---- ---- 17 ---- ---- 19 ---- ---- 12 ---- ---- 6 ---- ---- 7 ---- ---- 3 ---- ---- 4 ---- ---- 13 ---- ---- 20 ---- Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL): Drilling Contractor: Drilling Method: 5 to 9' bgs. POORLY GRADED SAND: (2.5Y 6/2) light brownish gray, very loose, dry, 100% subrounded to subangular very fine to fine grained sand, poorly graded, slightly micaceous, quartz and feldspar clasts are visible, no odor., increasing fines with depth. 17 to 21' bgs. POORLY GRADED SAND WITH SILT: (2.5Y 6/2) light brownish gray, loose to medium dense, damp to wet, 80% subrounded to subangular, very fine to very coarse sand, poorly graded, 20% non-plastic fines, no reaction with acid, no odor. At 21' bgs, coarse sand (10YR 6/2) light brownish grey. 9 to 10' bgs. POORLY GRADED SAND WITH SILT: (2.5Y 6/2) light brownish gray, loose, dry, 90% subrounded to subangular, very fine to fine grained sand, 10% non-plastic fines, micaceous, no odor. 16.5 to 17' bgs. SILT (2.5Y 5/2) grayish brown, damp, soft, non to low plastics, slightly micaceous, no odor, no staining. 10 to 11' bgs. SILT WITH SAND: (2.5Y 6/2) light brownish grey, loose to soft, 75% non-plastic fines, 25% subrounded to subangular, very fine to fine-grained sand. At 11' bgs there is a 2 inch very coarse sand to gravel lens. 11 to 13' bgs. SANDY SILT (2.5Y 6/2) light brownish gray, soft to loose, 60% non-plastic fines, 40% subrounded to subangular, very fine to fine grained sand. 13 to 16.5' bgs. POORLY GRADED SAND WITH SILT (2.5Y 5/2) grayish brown, loose to medium dense, damp, 80% subrounded to subangular, very fine to fine grained sand, 20% non-plastic fines, slightly micaceous, no odor. Two, 3 inch silt lenses at 14 and 16 feet bgs.
Transcript
Page 1: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H 0800 SP PID = 0.0

A

N

D

A

U

G

E

R

100% 0811 SP PID = 0.0

100% 0815 SP-SM PID = 0.0

ML

ML

100% 820 SP-SM PID = 0.0

ML

80% 0824 SP-SM

---- 10 ----

---- 11 ----

Date Boring Started: Date Boring Completed:

---- 1 ----

Borehole Depth: Borehole Diameter:

F33 - CharacterizationBeaumont, CA Site 1100-SBO-22288-0203Holly Hanke

24-Jul-200824-Jul-2008

---- 14 ----

---- 15 ----

---- 16 ----

Interval and Lithologic Description

0 to 5' bgs. POORLY GRADED SAND: (2.5Y 6/2) light brownish gray, very loose, dry, 100% subrounded to subangular very fine to fine grained sand, poorly graded, slightly micaceous, quartz and feldspar clasts are visible, no odor.

---- 2 ----

BORING LOGF33-DP17

---- 0 ----

---- 8 ----

---- 9 ----

---- 5 ----

---- 18 ----

---- 17 ----

---- 19 ----

---- 12 ----

---- 6 ----

---- 7 ----

---- 3 ----

---- 4 ----

---- 13 ----

---- 20 ----

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Drilling Contractor:

Drilling Method:

5 to 9' bgs. POORLY GRADED SAND: (2.5Y 6/2) light brownish gray, very loose, dry, 100% subrounded to subangular very fine to fine grained sand, poorly graded, slightly micaceous, quartz and feldspar clasts are visible, no odor., increasing fines with depth.

17 to 21' bgs. POORLY GRADED SAND WITH SILT: (2.5Y 6/2) light brownish gray, loose to medium dense, damp to wet, 80% subrounded to subangular, very fine to very coarse sand, poorly graded, 20% non-plastic fines, no reaction with acid, no odor. At 21' bgs, coarse sand (10YR 6/2) light brownish grey.

9 to 10' bgs. POORLY GRADED SAND WITH SILT: (2.5Y 6/2) light brownish gray, loose, dry, 90% subrounded to subangular, very fine to fine grained sand, 10% non-plastic fines, micaceous, no odor.

16.5 to 17' bgs. SILT (2.5Y 5/2) grayish brown, damp, soft, non to low plastics, slightly micaceous, no odor, no staining.

10 to 11' bgs. SILT WITH SAND: (2.5Y 6/2) light brownish grey, loose to soft, 75% non-plastic fines, 25% subrounded to subangular, very fine to fine-grained sand. At 11' bgs there is a 2 inch very coarse sand to gravel lens. 11 to 13' bgs. SANDY SILT (2.5Y 6/2) light brownish gray, soft to loose, 60% non-plastic fines, 40% subrounded to subangular, very fine to fine grained sand.

13 to 16.5' bgs. POORLY GRADED SAND WITH SILT (2.5Y 5/2) grayish brown, loose to medium dense, damp, 80% subrounded to subangular, very fine to fine grained sand, 20% non-plastic fines, slightlymicaceous, no odor. Two, 3 inch silt lenses at 14 and 16 feet bgs.

Page 2: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

Date Boring Started: Date Boring Completed:

Borehole Depth: Borehole Diameter:

F33 - CharacterizationBeaumont, CA Site 1100-SBO-22288-0203Holly Hanke

24-Jul-200824-Jul-2008

Interval and Lithologic Description

BORING LOGF33-DP17

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Drilling Contractor:

Drilling Method:

SP

TD = 23' bgs.

water at 21' bgs

---- 20 ----

---- 27 ----

---- 30 ----

---- 31 ----

---- 28 ----

---- 29 ----

---- 22 ----

---- 23 ----

---- 21 ----

---- 35 ----

---- 26 ----

---- 24 ----

---- 25 ----

---- 32 ----

---- 33 ----

---- 37 ----

---- 34 ----

---- 38 ----

---- 39 ----

21 to 23' bgs. POORLY GRADED SAND: (2.5Y 3/3) dark olive brown, loose to medium dense, wet, 100% subrounded to subangular, coarse to very coarse sand, poorly graded, micaceous, no reaction with acid, no odor. Two inch silt lens at 22.5' bgs (5Y 2.5/2) black, possible decomposed organic material. Bottom of sleeve there is some oxidized material, possibly ME. At 22-23' bgs, very coarse sand.

---- 40 ----

---- 36 ----

Page 3: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H 1402 SP

A

N

D

A

U

G

E

R

90% 1410 SP

90% 1413 SP PID = 0.0

1416 SP PID = 0.0

ML

SP-SM

SM

0 to 5' bgs. POORLY GRADED SAND. Dry, poorly graded.

9 to 13' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry, 100% subrounded to subangular, fine to coarse-grained sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs.

13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp, 100% subrounded to subangular, fine to coarse-grained sand, poorly graded, micaceous, no reaction with acid, no odor. At 14' bgs 2" SM layer.

Holly Hanke100-SBO-22288-0203Beaumont, CA Site 1

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 18 ----

23-Jul-200823-Jul-2008

---- 10 ----

---- 11 ----

---- 12 ----

---- 13 ----

---- 6 ----

---- 7 ----

---- 8 ----

---- 9 ----

---- 5 ----

BORING LOGF33-DP18

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter:

F33 - Characterization

Date Boring Started: Date Boring Completed:

Interval and Lithologic Description

---- 2 ----

---- 3 ----

---- 4 ----

Drilling Contractor:

Drilling Method:

---- 20 ----

17 to 19' bgs. POORLY GRADED SAND WITH SILT: (7.5YR 6/1) gray, medium dense, dry to damp, 90% subrounded to subangular, fine to coarse-grained sand, micaceous.

19 to 20' bgs. SILT: dark laminated organic colored layers with some slight oxidation staining.

5 to 9' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, loose to medium dense, dry, 95% subrounded to subangular, very fine to medium-grained sand, poorly graded, 5% non-plastic fines, micaceous, no odor, weak reaction with acid. Two inch SM silty sand lens at 8' bgs.

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

15.5 to 17' bgs. SANDY SILT: (10YR 4/2) dark grayish brown, medium dense, dry to damp, 70% non-plastic fines, 30% subrounded to subangular, fine to coarse, but predominantly medium-grained sand, poorly graded, micaceous, no odor, no reaction with acid.

Page 4: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

Holly Hanke100-SBO-22288-0203Beaumont, CA Site 1

23-Jul-200823-Jul-2008

BORING LOGF33-DP18

Borehole Depth: Borehole Diameter:

F33 - Characterization

Date Boring Started: Date Boring Completed:

Interval and Lithologic Description

Drilling Contractor:

Drilling Method:

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

SP-SM

ML

SP

TD = 23' bgs

water at 22' bgs

---- 35 ----

---- 32 ----

---- 33 ----

---- 34 ----

---- 36 ----

---- 37 ----

---- 20 ----

---- 27 ----

---- 30 ----

---- 31 ----

---- 28 ----

---- 29 ----

---- 21 ----

---- 26 ----

---- 24 ----

---- 25 ----

---- 22 ----

---- 23 ----

---- 38 ----

---- 39 ----

20 to 21' bgs. POORLY GRADED SAND WITH SILT: (7.5YR 6/1) gray, medium dense, damp, 90% subrounded to subangular, coarse-grained sand, 10% non-plastic fines, micaceous. Bottom of sleeve backto ML.

---- 40 ----

21 to 21.5' bgs. SILT: wet, 90% non-plastic fines, 10% subrounded, very fine to fine-grained sand, micaceous.

21.5 to 23' bgs. POORLY GRADED SAND: (10YR 3/3) dark brown, medium dense, wet, 100% subrounded to subangular, fine to coarse-grained sand, poorly graded. Coarse sand layers at 21.5 and 22.5' bgs. Clay layer at 22' bgs (Gley1 5/10Y) greenish gray.

Page 5: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H 0855 SP PID = 0.0

A

N

D

A

U

G

E

R

858 SP PID = 0.0

901 SP PID = 0.0

905 SP-SM PID = 0.0

910 ML PID = 0.0

SP-SM

ML 18-19' bgs. POORLY GRADED SAND WITH SILT.

19-20' bgs. SANDY SILT. Increasing fines wtih depth.

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

---- 20 ----

---- 2 ----

---- 3 ----

---- 4 ----

---- 5 ----

---- 12 ----

---- 13 ----

BORING LOGF33-DP19

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter: Drilling Contractor:

Drilling Method:

Interval and Lithologic Description

F33 - Characterization

Date Boring Started: Date Boring Completed: 24-Jul-2008

24-Jul-2008Holly Hanke100-SBO-22288-0203Beaumont, CA Site 1

---- 6 ----

---- 7 ----

---- 8 ----

---- 9 ----

---- 10 ----

---- 11 ----

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 18 ----

17 to 18' bgs. SANDY SILT: (2.5YR 6/1) reddish gray, loose to medium dense, dry, 70% non-plastic fines, 30% subrounded to subangular, very fine to medium-grained sand, poorly graded. At 18' bgs some burnt organic material present, 1/2" thick.

0 to 5' bgs. POORLY GRADED SAND: (10yr 6/3) pale brown, loose, dry, 100% subrounded to subangular, sand, poorly graded.

5 to 9' bgs. POORLY GRADED SAND: (10YR 6/3) pale brown, loose, dry, 95% subrounded to subangular, very fine to fine-grained sand, poorly graded, 5% non-plastic fines, micaceous, no odor, no reaction with acid

9 to 13' bgs. POORLY GRADED SAND: (10YR 6/3) pale brown, 100% very fine to fine-grained sand, poorly graded. Some organic material present at 10 ' bgs. 11' bgs 2" SILT lens (10YR 5/3) brown, weak reaction with acid.

F33-DP19-15

13 to 17 ' bgs. POORLY GRADED SAND WITH SILT: (10YR 4/4) dark yellowish brown, loose to medium dense, dry, 85% subrounded to subangular, very fine to fine-grained sand, predominantly fine-grained, poorly graded, 15% non-plastic fines, micaceous, weak reaction with acid, no odor. At 15' bgs 2" SILT lens.

Page 6: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

BORING LOGF33-DP19

Borehole Depth: Borehole Diameter: Drilling Contractor:

Drilling Method:

Interval and Lithologic Description

F33 - Characterization

Date Boring Started: Date Boring Completed: 24-Jul-2008

24-Jul-2008Holly Hanke100-SBO-22288-0203Beaumont, CA Site 1

SP

915 SP-SM PID = 0.0

---- 35 ----

---- 32 ----

---- 33 ----

---- 38 ----

---- 34 ----

---- 39 ----

---- 36 ----

---- 37 ----

---- 40 ----

---- 29 ----

---- 21 ----

---- 26 ----

---- 24 ----

---- 25 ----

---- 20 ----

---- 22 ----

---- 23 ----

---- 27 ----

---- 30 ----

---- 31 ----

---- 28 ----

water at 21' bgs.

21 to 23' bgs. POORLY GRADED SAND WITH SILT: (2.5Y 5/2) grayish brown, loose to medium dense, wet, 90% subrounded to subangular, very fine to coarse-grained sand, poorly graded, 10% non-plastic fines, micaceous, no odor, no reaction with acid. Thin ML laminated lenses (7.5YR 4/6) strong brown. Possible Mt Eden at 21' bgs.

20 to 21' bgs. POORLY GRADED SAND: 95% very coarse grained sand, poorly graded, 5% non-plastic fines. At 20' bgs, 2" organic SILT lens (2.5Y 3/1) very dark gray.

Page 7: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H SP

A

N

D

A

U

G

E

R

1322 PID = 0.0

1325 PID = 0.0

ML

1329 PID = 0.1

SP-SM

ML

1334 SP PID = 0.3

ML

---- 12 ----

---- 13 ----

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 18 ----

---- 11 ----

---- 5 ----

---- 9 ----

Date Boring Started: Date Boring Completed:

Drilling Contractor:

Drilling Method:

---- 10 ----

100-SBO-22288-0203

23-Jul-200823-Jul-2008

Holly Hanke

F33 - Characterization

---- 2 ----

---- 3 ----

---- 4 ----

Beaumont, CA Site 1

BORING LOGF33-DP20

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter:

Interval and Lithologic Description

0 to 5' bgs. POORLY GRADED SAND, very loose.

5 to 9' bgs. POORLY GRADED SAND: (5YR 7/1) light gray, loose, dry, 100% subrounded to subangular, very fine to fine-grained sand, poorly graded, weak to no reaction with acid, micaceous, no odor. Has the appearance of beach sand.

9 to 12' bgs. POORLY GRADED SAND: (5YR 6/1) gray, loose to medium dense, 100% subrounded to subangular, very fine to medium-grained sand, poorly graded, micaceous, weak reacdtion with acid, no odor.

---- 20 ----

12 to 13' bgs. SANDY SILT: (5YR 6/1) gray, 70% non-plastic fines, 30% finer-grained sand.

13 to 16' bgs. POORLY GRADED SAND WITH SILT: (7.5YR 5/2) brown, medium dense, dry, 85% subrounded to subangular, very fine to coarse grained sand, poorly graded, weak reaction with acid, micaceous, no odor.

---- 6 ----

---- 7 ----

---- 8 ----

16 to 17' bgs. SILT WITH SAND: (7.5YR 3/2) dark brown, 85% non-plastic fines, 15% subrounded to subangular, sand.

17 to 18.5' bgs. POORLY GRADED SAND: (10YR 7/1) light gray, medium dense, dry, 100% subangular to subrounded, fine to coarse-grained sand, poorly graded, micaceous, weak reaction with acid.

18.5 to 20' bgs. SILT (Gley1 4/10Y) dark greenish gray, 85% non-plastic fines, 15% subrounded to subangular, very fine to fine-grained sand, micaceous.

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Page 8: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

Date Boring Started: Date Boring Completed:

Drilling Contractor:

Drilling Method:

100-SBO-22288-0203

23-Jul-200823-Jul-2008

Holly Hanke

F33 - CharacterizationBeaumont, CA Site 1

BORING LOGF33-DP20

Borehole Depth: Borehole Diameter:

Interval and Lithologic Description

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

1339---- 21 ----

---- 25 ----

---- 35 ----

---- 32 ----

---- 23 ----

---- 34 ----

---- 27 ----

---- 24 ----

---- 33 ----

---- 30 ----

---- 20 ----

---- 22 ----water at 22' bgs.

---- 31 ----

---- 26 ----

---- 28 ----

---- 29 ----

---- 36 ----

---- 37 ----

---- 40 ----

---- 38 ----

---- 39 ----

20 to 23' bgs. POORLY GRADED SAND: damp to wet, medium dense, subrounded to subangular, fine to very coarse grained sand, poorly graded, micaceous, weak reaction with acid, no odor. At 22.5' bgs very coarse grained sand. TD = 23' bgs.

Page 9: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H 1225 SP PID = 0.0

A

N

D

A

U

G

E

R

90% 1230 SM PID = 0.0

ML PID = 0.0

90% 1233

SP

SP

1239 SP-SM PID = 0.0

ML

SP

1245 PID = 0.0

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

---- 20 ----

---- 2 ----

---- 3 ----

---- 4 ----

---- 5 ----

---- 12 ----

---- 13 ----

BORING LOGF33-DP21

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter: Drilling Contractor:

Drilling Method:

Interval and Lithologic Description

F33 - Characterization

Date Boring Started: Date Boring Completed: 23-Jul-2008

23-Jul-2008Holly Hanke100-SBO-22288-0203Beaumont, CA Site 1

---- 6 ----

---- 7 ----

---- 8 ----

---- 9 ----

---- 10 ----

---- 11 ----

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 18 ----

16 to 20.5' bgs. POORLY GRADED SAND: (2.5Y 6/1) gray, medium dense, dry, 95% subrounded to subangular, very fine to very coarse-grained sand, poorly graded, 5% non-plastic fines, micaceous, very weak reaction with acid, no odor. 2" very coarse sand lenses at 17.5 and 18.5' bgs.

11 to 13' bgs. POORLY GRADED SAND: (10YR 5/2) greyish brown, medium dense, dry, 100% subrounded to subangular, fine to medium-grained sand, poorly graded. 12' bgs 2" SILT lens (10YR 3/1) very dark gray.13 to 15' bgs. POORLY GRADED SAND WITH SILT: (10YR 6/2) light brownish gray, medium dense, dry, 90% subrounded to subangular, very fine to fine-grained sand, poorly graded, micaceous, weak reaction with acid, no odor.

15 to 16' bgs. SANDY SILT: (10YR 3/2) very dark grayish brown.

0 to 5' bgs. POORLY GRADED SAND: (10YR 5/1) dark gray, loose, dry, 95% subrounded to subangular, very fine to fine-grained sand, poorly graded, 5% non-plastic fines, micaceous, no odor.

5 to 8' bgs. SILTY SAND: (10YR 5/1) gray, medium dense, dry, 85% subrounded to subangular, very fine to fine-grained sand, poorly graded, 15% non-plastic fines, micaceous, weak reaction with acid, no odor.

8 to 10' bgs. SANDY SILT: (10YR 5/1) grey, 60% non-plastic fines, 40% subrounded to subangular, very fine to fine-grained sand.

10 to 11' bgs. POORLY GRADED SAND: (10YR 5/2) grayish brown, medium dense, dry, 90% subrounded to subangular, fine to medium-grained sand, poorly graded, micaceous, weak reaction with acid.

Page 10: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

BORING LOGF33-DP21

Borehole Depth: Borehole Diameter: Drilling Contractor:

Drilling Method:

Interval and Lithologic Description

F33 - Characterization

Date Boring Started: Date Boring Completed: 23-Jul-2008

23-Jul-2008Holly Hanke100-SBO-22288-0203Beaumont, CA Site 1

ML

---- 35 ----

---- 32 ----

---- 33 ----

---- 38 ----

---- 34 ----

---- 39 ----

---- 36 ----

---- 37 ----

---- 40 ----

---- 29 ----

---- 21 ----

---- 26 ----

---- 24 ----

---- 25 ----

---- 20 ----

---- 22 ----

---- 23 ----

---- 27 ----

---- 30 ----

---- 31 ----

---- 28 ----

Water at 21.5' bgs.

TD = 23' bgs.

20.5 to 23' bgs. SILT WITH SAND: (7.5YR 3/2) dark brown, medium dense, wet, 80% non-plastic fines, 20% subrounded to subangular sand. At 21.5' bgs 1" thick very coarse gravel lens, micaceous. 22'bgs 1" organic silt lens. Water at 21.5 ' bgs.

Page 11: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 27 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H 1058 SP-SM PID = 0.0

A

N

D

A

U

G

E

R

SP PID = 0.0

ML

75% 1103 SP PID = 0.1

SM

SP

75% 1105 PID = 0.0

100% 1116

ML

F33 - Characterization

Date Boring Started: Date Boring Completed: 23-Jul-2008

23-Jul-2008Holly Hanke100-SBO-22288-0203

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 20 ----

---- 18 ----

BORING LOGF33-DP22

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter: Beaumont, CA Site 1

Interval and Lithologic Description

---- 2 ----

---- 3 ----

---- 4 ----

---- 5 ----

---- 13 ----

---- 6 ----

---- 7 ----

---- 10 ----

---- 11 ----

---- 8 ----

---- 9 ----

---- 12 ----

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Drilling Contractor:

Drilling Method:

11 to 12' bgs. SILTY SAND: (10YR 4/3) brown, stiff, dry, 80% subrounded to subangular, very fine to medium-grained sand, 20% non-plastic fines, micaceous, weak to no reaction with acid, no odor.

12 to 19' bgs. POORLY GRADED SAND: (10YR 7/2) light gray, medium dense, dry, 95% subrounded to subangular, very fine to fine-grained, sand, poorly graded, 5% (trace) non-plastic fines, micaceous, weak reaction with acid at 15' bgs then no reaction, no odor. At 13' bgs < 10% gravel. At 17' bgs, color change (10YR 6/1) gray, increase in clast size to predominantly medium-grained. At 18' bgs darker layer (10YR 4/2) dark grayish brown.

19 to 21' bgs. SILT: (10YR 6/1) gray, damp, stiff, 90% non-plastic fines, 10% very fine to medium-grained sand. At 20' (10YR 4/2) dark grayish brown lens.

0 to 5' bgs. POORLY GRADED SAND WITH SILT: (10YR 6/3) pale brown, very loose, dry, 90% subrounded to subangular, very fine to finegrained sand, poorly graded, 10% non-plastic fines, micaceous, weak reaction with acid, no odor.

5 to 8' bgs. POORLY GRADED SAND: (10YR 4/3) brown, loose, dry, 90% subrounded to subangular, very fine to medium-grained sand, poorly graded, 10% non-plastic fines, micaceous, moderate reaction with acid, no odor, increasing fines with depth.

8 to 9' bgs. SANDY SILT: (10YR 4/3) brown, loose, dry, 70% non-plastic fines, 30% very fine to medium-grained sand, micaceous, no odor.

9 to 11' bgs. POORLY GRADED SAND: ( 10YR 4/3) brown, mediumdense, dry, 90% subrounded to subangular, very fine to medium-grainedsand, 10% non-plastic fines, micaceous, trace gravel, very weak reaction with acid.

Page 12: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 27 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

F33 - Characterization

Date Boring Started: Date Boring Completed: 23-Jul-2008

23-Jul-2008Holly Hanke100-SBO-22288-0203

BORING LOGF33-DP22

Borehole Depth: Borehole Diameter: Beaumont, CA Site 1

Interval and Lithologic Description

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Drilling Contractor:

Drilling Method:

ML

1125 SM

1130 SP

TD = 27' bgs.

---- 20 ----

---- 24 ----

---- 25 ----

---- 21 ----

---- 26 ----

---- 31 ----

---- 28 ----

---- 29 ----

---- 27 ----

---- 36 ----

---- 37 ----

---- 40 ----

---- 22 ----

---- 23 ----

---- 34 ----

---- 35 ----

---- 32 ----

---- 33 ----

---- 30 ----

---- 38 ----

---- 39 ----

25 to 27' bgs. POORLY GRADED SAND: (10YR 5/6) yellowish brown, medium dense, wet, 100% subrounded to subangular, fine to medium-dense sand, poorly graded, slightly micaceous, no odor, very coarse sand at the bottom of the sleeve ~ 26' bgs.

water at 22' bgs.

21 to 25' bgs. SILTY SAND: (10YR 6/1) gray, medium dense, damp to wet, 85% subrounded to subangular, very fine to medium-grained sand, poorly graded, 15% non-plastic fines, slightly micaceous, no odor. At ~22' bgs color change to (10YR 4/6) dark yellowish brown, wet. At ~23' bgs color change (Gley2 3/10B) very dark bluish gray about 1" thick appears to be organic non-plastic fines, no odor.

Page 13: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 27 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H 1058 SP-SM PID = 0.0

A

N

D

A

U

G

E

R

SP PID = 0.0

ML

75% 1103 SP PID = 0.1

SM

SP

75% 1105 PID = 0.0

100% 1116

ML

F33 - Characterization

Date Boring Started: Date Boring Completed: 23-Jul-2008

23-Jul-2008Holly Hanke100-SBO-22288-0203

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 20 ----

---- 18 ----

BORING LOGF33-DP22

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter: Beaumont, CA Site 1

Interval and Lithologic Description

---- 2 ----

---- 3 ----

---- 4 ----

---- 5 ----

---- 13 ----

---- 6 ----

---- 7 ----

---- 10 ----

---- 11 ----

---- 8 ----

---- 9 ----

---- 12 ----

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Drilling Contractor:

Drilling Method:

11 to 12' bgs. SILTY SAND: (10YR 4/3) brown, stiff, dry, 80% subrounded to subangular, very fine to medium-grained sand, 20% non-plastic fines, micaceous, weak to no reaction with acid, no odor.

12 to 19' bgs. POORLY GRADED SAND: (10YR 7/2) light gray, medium dense, dry, 95% subrounded to subangular, very fine to fine-grained, sand, poorly graded, 5% (trace) non-plastic fines, micaceous, weak reaction with acid at 15' bgs then no reaction, no odor. At 13' bgs < 10% gravel. At 17' bgs, color change (10YR 6/1) gray, increase in clast size to predominantly medium-grained. At 18' bgs darker layer (10YR 4/2) dark grayish brown.

19 to 21' bgs. SILT: (10YR 6/1) gray, damp, stiff, 90% non-plastic fines, 10% very fine to medium-grained sand. At 20' (10YR 4/2) dark grayish brown lens.

0 to 5' bgs. POORLY GRADED SAND WITH SILT: (10YR 6/3) pale brown, very loose, dry, 90% subrounded to subangular, very fine to finegrained sand, poorly graded, 10% non-plastic fines, micaceous, weak reaction with acid, no odor.

5 to 8' bgs. POORLY GRADED SAND: (10YR 4/3) brown, loose, dry, 90% subrounded to subangular, very fine to medium-grained sand, poorly graded, 10% non-plastic fines, micaceous, moderate reaction with acid, no odor, increasing fines with depth.

8 to 9' bgs. SANDY SILT: (10YR 4/3) brown, loose, dry, 70% non-plastic fines, 30% very fine to medium-grained sand, micaceous, no odor.

9 to 11' bgs. POORLY GRADED SAND: ( 10YR 4/3) brown, mediumdense, dry, 90% subrounded to subangular, very fine to medium-grainedsand, 10% non-plastic fines, micaceous, trace gravel, very weak reaction with acid.

Page 14: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 27 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

F33 - Characterization

Date Boring Started: Date Boring Completed: 23-Jul-2008

23-Jul-2008Holly Hanke100-SBO-22288-0203

BORING LOGF33-DP22

Borehole Depth: Borehole Diameter: Beaumont, CA Site 1

Interval and Lithologic Description

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Drilling Contractor:

Drilling Method:

ML

1125 SM

1130 SP

TD = 27' bgs.

---- 20 ----

---- 24 ----

---- 25 ----

---- 21 ----

---- 26 ----

---- 31 ----

---- 28 ----

---- 29 ----

---- 27 ----

---- 36 ----

---- 37 ----

---- 40 ----

---- 22 ----

---- 23 ----

---- 34 ----

---- 35 ----

---- 32 ----

---- 33 ----

---- 30 ----

---- 38 ----

---- 39 ----

25 to 27' bgs. POORLY GRADED SAND: (10YR 5/6) yellowish brown, medium dense, wet, 100% subrounded to subangular, fine to medium-dense sand, poorly graded, slightly micaceous, no odor, very coarse sand at the bottom of the sleeve ~ 26' bgs.

water at 22' bgs.

21 to 25' bgs. SILTY SAND: (10YR 6/1) gray, medium dense, damp to wet, 85% subrounded to subangular, very fine to medium-grained sand, poorly graded, 15% non-plastic fines, slightly micaceous, no odor. At ~22' bgs color change to (10YR 4/6) dark yellowish brown, wet. At ~23' bgs color change (Gley2 3/10B) very dark bluish gray about 1" thick appears to be organic non-plastic fines, no odor.

Page 15: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 27 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H 0 -5 ft bgs. Very loose sand, dry, and poorly graded. PID = 0

A

N

D

A

U

G

E

R

1059 SP 5-7 ft bgs. POORLY GRADED SAND: (2.5 Y 6/2) light PID = 0

brownish gray, loose to medium density, dry, 100% subrounded to

subangular, fine to medium-grained sand, poorly graded, micaceous

with quartz and feldspars, does not effervesce, no odor.

ML 7-8 ft bgs. SILT: (5Y 5/2) olive grey, 90% non-plastic fines,

10% subrounded to subangular fine to medium-grained sand.

8 ft-9 ft bgs. SILT WITH SAND

1103 11 ft. SM 9-13 ft bgs. SILTY SAND:(10YR 7/1) light gray, medium density, PID = 0

damp, 85% subrounded to subangular, very fine to medium-

grained sand, poorly graded, 15% non-plastic fines, micaceous

with quartz and feldspars, effervesces slightly with HCl, no odor.

Two inch ML SILT lens at approx. 11 ft bgs.

1108 16 ft. SM 13-15.5 ft bgs. SILTY SAND: (5Y 5/2) olive gray, medium density, PID = 0

damp, 60% subrounded to subangular, very fine to fine-grained

sand, poorly graded, 40% non-plastic fines, micaceous with quartz

and feldspars, effervesces slightly with HCl, no odor.

ML 15.5-17 ft bgs. SILT: (5Y 4/2) olive gray.

1115 20 ft. ML 17-19 ft bgs. SILT: (5Y 4/2) olive gray, medium density, damp, PID = 0

85% non-plastic fines, 15% subrounded to subangular, very fine to

fine-grained sand, poorly graded, micaceous with quartz and

feldspars, no odor.

SM 19-21 ft bgs. SILTY SAND: (10 YR 8/2) very pale brown, 70% subrounded to

subangular, fine to very fine-grained sand, poorly graded, 30% non-

F33 - Characterization

Date Boring Started: Date Boring Completed: 24-Jul-2008

24-Jul-2008Mandy Selders100-SBO-22288-0203Beaumont, CA Site 1

---- 10 ----

---- 11 ----

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 18 ----

---- 12 ----

---- 13 ----

---- 9 ----

---- 2 ----

---- 3 ----

---- 4 ----

---- 5 ----

Interval and Lithologic Description

---- 6 ----

---- 7 ----

---- 8 ----

BORING LOGF33-DP23

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter: Drilling Contractor:

Drilling Method:

---- 20 ----

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Page 16: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 27 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

F33 - Characterization

Date Boring Started: Date Boring Completed: 24-Jul-2008

24-Jul-2008Mandy Selders100-SBO-22288-0203Beaumont, CA Site 1

Interval and Lithologic Description

BORING LOGF33-DP23

Borehole Depth: Borehole Diameter: Drilling Contractor:

Drilling Method:

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

plastic fines, micaceous with quartz and feldspars, no odor. At

approx. 20ft bgs, clay lens, at approx. 20.5 ft bgs, burnt material.

1116 22 ft. ML 21-22 ft bgs. SILT: (10 YR 4/3) brown, medium density, damp, PID = 0

90% non-plastic fines, 10% subrounded to subangular, very fine to

SM medium-grained sand, poorly graded, micaceous with quartz and

feldspars, no odor.

22-25 ft bgs. SILTY SAND: (10 YR 7/3) very pale brown, damp,

80% subrounded to subangular, very fine to medium-grained sand,

poorly graded, 20% non-plastic fines, micaceous with quartz and

feldspars, no odor. Between 22-25 ft bgs, two small clay lenses.

1118 SM 25-27 ft bgs. SILTY SAND: (10 YR 4/4) dark yellow brown, wet, PID = 0

80% subrounded to subangular, very fine to medium-grained sand,

poorly graded, 20% non-plastic fines, micaceous with quartz and

feldspars, does not effervesce with HCl, no odor. Poss. Mt. Eden

Fm. @ approx 25 ft bgs. At 26-26.2 ft bgs, ML SILT lens.

---- 20 ----

---- 28 ----

---- 21 ----

---- 26 ----

---- 27 ----

---- 24 ----

---- 25 ----

---- 22 ----

---- 23 ----

---- 32 ----

---- 33 ----

---- 30 ----

---- 31 ----

---- 39 ----

---- 36 ----

---- 37 ----

---- 34 ----

---- 35 ----

---- 40 ----

---- 29 ----

---- 38 ----

Page 17: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 27 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H 0944 SP PID = 0.0

A

N

D

A

U

G

E

R

0950 ML PID = 0.0

SP

0953 SP PID = 0.0

ML

1002 ML PID = 0.0

SP

1016 PID = 0.0

16 to 17' bgs. POORLY GRADED SAND: (5YR 4/4) reddish brown, 100% subrounded to subangular, coarse to very-coarse, sand.

17 to 21' bgs. POORLY GRADED SAND: (10YR 7/1) light gray, medium dense to dense, damp, 100% subrounded to subangular, very fine to coarse-grained sand, micaceous, weak reaction with acid, no odor. SILT laminations at 18, 18.5 and 20' bgs (10YR 3/2) very dark grayish brown, non to low plastic fines.

12 to 13' bgs. SANDY SILT: (10YR 5/3) brown, loose to medium dense, dry, 70% non-plastic fines, 30% subrounded to subangular, veryfine to medium-grained sand, poorly graded, micaceous.

13 to 16' bgs. SILT: (2.5Y 3/3) dark olive brown, medium dense, dry to damp, non to low-plastic fines, micaceous, no reaction with acid, no odor.

0 to 5' bgs. POORLY GRADED SAND: very loose, dry, 100% subrounded to subangular, very fine to medium-grained sand, poorly graded.

5 to 6' bgs. SILT: (2.5Y 5/3) light olive brown, loose, to medium dense, dry, 90% non-plastic fines, 10% very fine to coarse-grained sand, poorly graded, micaceous, weak reaction with acid, no odor.

6 to 9' bgs. POORLY GRADED SAND: (2.5Y 7/2) light gray, loose to medium dense, dry, 95% subrounded to subangular, very fine to coarse-grained sand, poorly graded, micaceous, weak reaction with acid, no odor. SILT lenses at 8 and 8.5' bgs.

9 to 12' bgs. POORLY GRADED SAND: (10YR 5/3) brown, loose to medium dense, dry, 100% subrounded to subangular, very fine to medium-grained sand, poorly graded, micaceous, weak reaction with acid, no odor, predominantly fine-grained sand.

F33 - Characterization

Date Boring Started: Date Boring Completed: 24-Jul-2008

24-Jul-2008Holly Hanke100-SBO-22288-0203

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 20 ----

---- 18 ----

BORING LOGF33-DP24

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter: Beaumont, CA Site 1

Interval and Lithologic Description

---- 2 ----

---- 3 ----

---- 4 ----

---- 5 ----

---- 13 ----

---- 6 ----

---- 7 ----

---- 10 ----

---- 11 ----

---- 8 ----

---- 9 ----

---- 12 ----

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Drilling Contractor:

Drilling Method:

Page 18: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 27 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

F33 - Characterization

Date Boring Started: Date Boring Completed: 24-Jul-2008

24-Jul-2008Holly Hanke100-SBO-22288-0203

BORING LOGF33-DP24

Borehole Depth: Borehole Diameter: Beaumont, CA Site 1

Interval and Lithologic Description

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Drilling Contractor:

Drilling Method:

SP

90% SP PID = 0.0

SM PID = 0.0

SP

Water at 25' bgs. 25 to 26' bgs. SILTY SAND: (10YR 4/6) dark yellowish brown, dense to very dense, wet, 80% subrounded to subangular, very fine to medium grained-sand, poorly graded, 20% non-plastic fines, micaceous, no reaction with acid, no odor.

21 to 25' bgs. POORLY GRADED SAND: (10YR 4/4) dark yellowish brown, dense to very dense, damp, 100% subrounded to subangular, fine to very coarse-grained sand, poorly graded, micaceous, predominantly coarse-grained sand. Possible Mount Eden contact at ~21' bgs. Water at 25' bgs.

---- 20 ----

---- 24 ----

---- 25 ----

---- 21 ----

---- 26 ----

---- 31 ----

---- 28 ----

---- 29 ----

---- 27 ----

---- 36 ----

---- 37 ----

---- 40 ----

---- 22 ----

---- 23 ----

---- 34 ----

---- 35 ----

---- 32 ----

---- 33 ----

---- 30 ----

---- 38 ----

---- 39 ----

26 to 27' bgs. POORLY GRADED SAND: very coarse grained sand at bottom of sleeve.

Page 19: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H 0849 SP

A

N

D

A

U

G

E

R

ML

65% SP

ML

SM

ML

---- 20 ----

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

---- 15 ----

---- 16 ----

---- 17 ----

BORING LOGF33-DP25

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter: Drilling Contractor:

Drilling Method:

Interval and Lithologic Description

F33 - Characterization

Holly Hanke

---- 12 ----

---- 13 ----

---- 10 ----

---- 11 ----

24-Jul-2008

---- 6 ----

---- 7 ----

---- 8 ----

24-Jul-2008

---- 3 ----

---- 4 ----

---- 5 ----

---- 2 ----

Beaumont, CA Site 1

---- 18 ----

---- 9 ----

---- 19 ----

---- 14 ----

water at 20' bgs.

100-SBO-22288-0203

Date Boring Started: Date Boring Completed:

10 to 13' bgs. SANDY SILT: (10YR 5/4) yellowish brown, loose to medium dense, dry to damp, 70% non-plastic fines, 30% very fine to fine grained sand.

18 to 23' bgs. SANDY SILT: (10YR 5/2) grayish brown, medium dense, wet, 70% non-plastic fines, 30% very fine to medium-grained sand, no reaction with acid, increasing fines with depth. Refusal at 23' bgs. Mount Eden Formation. (5YR 4/4) reddish brown.

0 to 8' bgs. POORLY GRADED SAND: (7.5YR 3/1) very dark gray, very loose, dry, 100% subrounded to subangular, very fine to medium-grained sand, poorly graded, slightly micaceous, weak reaction with acid, no odor.

8 to 9' bgs. SILT WITH SAND: (10YR 5/4) yellowish brown, very loose to loose, dry to damp, 80% non-plastic fines, 20% subrounded to subangular, very fine to medium grained sand, micaceous, weak reaction with acid, no odor.9 to 10' bgs. POORLY GRADED SAND: (10YR 5/4) yellowish brown, loose to medium dense, dry to damp, micaceous, weak reactionwith acid.

13 to 17' bgs. SILTY SAND: (10YR 5/2) grayish brown, loose to medium dense, dry to damp, 80% subrounded to subangular, very fine to fine-grained sand, poorly graded, 20% non-plastic fines, slightly micaceous, weak reaction with acid, no odor.

17 to 18' bgs. SILTY SAND: (10YR 5/2) grayish brown, medium dense, damp, very fine to medium-grained sand.

Page 20: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 23 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

BORING LOGF33-DP25

Borehole Depth: Borehole Diameter: Drilling Contractor:

Drilling Method:

Interval and Lithologic Description

F33 - Characterization

Holly Hanke24-Jul-200824-Jul-2008

Beaumont, CA Site 1100-SBO-22288-0203

Date Boring Started: Date Boring Completed:

ML

0930

---- 38 ----

---- 39 ----

---- 40 ----

---- 36 ----

---- 37 ----

---- 35 ----

---- 32 ----

---- 33 ----

---- 30 ----

---- 31 ----

---- 34 ----

---- 29 ----

---- 22 ----

---- 23 ----

---- 21 ----

---- 26 ----

---- 24 ----

---- 25 ----

---- 27 ----

---- 28 ----

---- 20 ----

TD = 23' bgs.

Page 21: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 1 Project: 20 feet bgs Sampling Method: Location: 2 inches Project No.: BC2

Logged By: DP

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H SP PID = 0.0

A

N

D

A

U

G

E

R

100% SM PID = 0.0

50% 1014 SP

ML

33% 1020

SP-SM

ML

1029

TD = 20' bgs---- 20 ----

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

---- 15 ----

---- 16 ----

---- 17 ----

BORING LOGF33-DP26

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter: Drilling Contractor:

Drilling Method:

Interval and Lithologic Description

F33 - Characterization

---- 12 ----

---- 13 ----

---- 10 ----

---- 11 ----

23-Jul-2008

---- 6 ----

---- 7 ----

---- 8 ----

---- 2 ----

---- 3 ----

---- 4 ----

---- 5 ----

Holly Hanke

Water at 19.5' bgs.

Beaumont, CA Site 1

---- 18 ----

---- 9 ----

---- 19 ----

---- 14 ----

100-SBO-22288-0203

Date Boring Started: Date Boring Completed: 23-Jul-2008

0 to 5' bgs. POORLY GRADED SAND: (5YR 5/3) reddish brown, very loose to loose, dry, 100% subrounded to subangular, fine to medium-grained sand, poorly graded, no odor. Upper 6" organic material present. Slightly larger clasts of feldspar and quartz present.

16 to 20' bgs. SILT: (10YR 4/2) dark grayish brown, medium dense to very dense, dry to damp, 100% non to low-plastic fines, micaceous, weak reaction with acid, no odor. Water at 19.5' bgs. Refusal at 20' bgs. Mount Eden at 20' bgs.

Mount Eden at 20' bgs.

14 to 16' bgs. POORLY GRADED SAND WITH SILT: (10YR 6/2) light brownish gray, medium dense, dry to damp, 90% subrounded to subangular, very fine to coarse-grained sand, 10% non-plastic fines, micaceous, weak reaction with acid, no odor.

5 to 9' bgs. SILTY SAND: (10YR 4/4) dark yellowish brown, very loose to loose, dry, 70% subrounded to subangular, very fine to fine-grained sand, poorly graded, 30% non-plastic fines, micaceous.

9 to 12' bgs. POORLY GRADED SAND: (7.5YR 6/3) light brown, loose, dry to damp, 100% subrounded, very fine to medium-grained sand, poorly graded, micaceous, weak reaction with acid, no odor.

12 to 14' bgs. SANDY SILT: (7.5YR 3/2) dark brown, loose, dry to damp, 70% non to low-plastic fines, 30% subrounded, very fine to medium-grained sand, micaceous, weak reaction with acid, no odor.

Page 22: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 36' Sampling Method: Location: 10.5" Split Spoon Project No.: BC2

Logged By: HSA

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H 940 SP

A

N

D

A

U

G

E

R

100% 6 0950 SP PID = 0.0

8

9

100% 9 1000 ML PID = 0.0

11

12

100% 9 1010 SP PID = 0.0

11

12

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Drilling Contractor:

Drilling Method:

Interval and Lithologic Description

---- 2 ----

---- 3 ----

---- 4 ----

---- 5 ----

BORING LOGMW-82

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter:

F33-Characterization

Date Boring Started: Date Boring Completed:

---- 10 ----

---- 11 ----

---- 12 ----

---- 13 ----

---- 6 ----

---- 7 ----

---- 8 ----

---- 9 ----

Site 1 Beaumont, CA

22-Jul-200821-Jul-2008

Holly Hanke100-SBO-22288-0203

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 18 ----

---- 20 ----

0 to 5' bgs. POORLY GRADED SAND: (10YR 5/2) grayish brown, very loose to loose, dry, 100% subrounded to subangular, very fine to medium-grained sand.

5 to 6.5' bgs. POORLY GRADED SAND: (10YR 5/2) grayish brown, loose, dry, 100% subrounded to subangular, very fine to medium-grained sand, poorly graded, micaceous, weark reaction with acid, no odor.

10 to 11.5' bgs. SANDY SILT: (10YR 4/2) dark grayish brown, very stiff, dry, 70% non-plastic fines, 30% subrounded to subangular, very fine to fine-grained sand, poorly graded, micaceous, weak reaction with acid, no odor.

15 to 16.5' bgs. POORLY GRADED SAND: (7.5YR 7/1) light gray, medium dense, dry, 100% subrounded to subangular, medium to coarse-grained sand, poorly graded, micaceous, no reaction with acid, no odor. Many quartz and feldspar clasts, some biotite.

Page 23: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 36' Sampling Method: Location: 10.5" Split Spoon Project No.: BC2

Logged By: HSA

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Drilling Contractor:

Drilling Method:

Interval and Lithologic Description

BORING LOGMW-82

Borehole Depth: Borehole Diameter:

F33-Characterization

Date Boring Started: Date Boring Completed:

Site 1 Beaumont, CA

22-Jul-200821-Jul-2008

Holly Hanke100-SBO-22288-0203

100% 7 1015 SP PID = 0.0

8 CL

8

8 1020 SP PID = 0.1

12

14

100% 6 1112 SP PID = 0.0

7

10 ML

5 1120 SP PID = 0.0

7

10

static water 20.97'bgs

25 to 26.5' bgs. POORLY GRADED SAND: (7.5YR 7/2) pinkish gray, medium dense, wet, 100% subrounded to subangular, medium to very coarse-grained sand, micaceous, no reaction with acid, no odor, at ~25.4' bgs there is a coarse layer, qtz, feldspar and biotite clasts.

32 to 32.5' bgs. SILT: (Gley1 3/10Y) very dark greenish gray, very stiff, wet, 100% non-plastic fines, micaceous.

TD = 36' bgs but drove spoon to 37.5' bgs.

20 to 20.8' bgs. POORLY GRADED SAND: (7.5YR 7/1) light gray, medium dense, moist, 100% subrounded to subangular, very fine to coarse-grained sand, poorly graded.

31 to 32' bgs. POORLY GRADED SAND: (Gley1 3N) very dark greenish gray, medium dense, wet, 100% subangular, coarse to very coarse-grained sand, poorly graded, micaceous, no reaciton with acid, no odor.

36 to 37.5' bgs. POORLY GRADED SAND: (Gley1 4N) dark gray, medium dense, wet, 100% subrounded to subangular, fine to very coarse-grained sand, poorly graded, no reaction with acid, no odor, quartz and feldspar clasts.

20.8 to 21.5' bgs. LEAN CLAY: (7.5YR 3/1) very dark gray, low to medium plastic fines. At 21.2' bgs. sand lens (7.5YR 6/2) pinkish gray, medium to coarse grained.

---- 40 ----

---- 36 ----

---- 37 ----

---- 29 ----

---- 35 ----

---- 32 ----

---- 33 ----

---- 38 ----

---- 39 ----

---- 21 ----

---- 26 ----

---- 24 ----

---- 25 ----

---- 22 ----

---- 23 ----

---- 20 ----

---- 27 ----

---- 30 ----

---- 31 ----

---- 28 ----

---- 34 ----

Page 24: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 2 Project: 34.5' bgs Sampling Method: Location: 10.5" Project No.: BC2

Logged By: HSA

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

H 0710 SP PID = 0.0

A

N

D

A

U

G

E

R

100% 5 0722 SP PID = 0.0

5

7

100% 4 0724 SP PID = 0.0

5

7 ML

100% 6 0729 CL PID = 0.0

8

9

0 to 5' bgs. POORLY GRADED SAND: (10YR 6/1) gray, very loose, dry, 95% subrounded, very fine to fine-grained sand, poorly graded, 5%non-plastic fines, micaceous, weak reaction with acid, no odor.

5 to 6.5' bgs. POORLY GRADED SAND: (10YR 6/3) pale brown, medium dense, dry, 100% subrounded, fine to medium-grained sand, poorly graded, micaceous, no reaction with acid, no odor, a lot of quartz clasts present.

10 to 11.3' bgs. POORLY GRADED SAND: (10YR 3/1) grayish brown, medium dense, dry to damp, 100% subrounded, very fine to fine-grained sand, poorly graded, micaceous, weak reaction with acid.

15 to 16.5' bgs. LEAN CLAY: (10YR 3/3) dark brown, very stiff, damp, 90% low to medium plastic fines, 10% subrounded, very fine sand, poorly graded, slightly micaceous, weak reaction with acid, no odor.

11.3 to 11.5' bgs. SILT: (10YR 5/2) dark yellowish brown, 100% low plastic fines, micaceous, weak reaction with acid.

F33-Characterization

Date Boring Started: Date Boring Completed: 22-Jul-2008

22-Jul-2008Holly Hanke100-SBO-22288-0203

---- 3 ----

BORING LOGMW-83

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter: Site 1 Beaumont, CA

Interval and Lithologic Description

Drilling Method:

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 13 ----

Drilling Contractor:

---- 10 ----

---- 2 ----

---- 4 ----

---- 5 ----

---- 6 ----

---- 8 ----

---- 7 ----

---- 9 ----

---- 11 ----

---- 12 ----

---- 20 ----

---- 18 ----

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Page 25: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 2 of 2 Project: 34.5' bgs Sampling Method: Location: 10.5" Project No.: BC2

Logged By: HSA

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

F33-Characterization

Date Boring Started: Date Boring Completed: 22-Jul-2008

22-Jul-2008Holly Hanke100-SBO-22288-0203

BORING LOGMW-83

Borehole Depth: Borehole Diameter: Site 1 Beaumont, CA

Interval and Lithologic Description

Drilling Method:

Drilling Contractor: Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

100% 6 0735 CL PID = 0.0

8 SP

11

100% 9 0826 SM

11

14

50% 7 0836 SP PID = 0.0

9

15

30% 5 0840 ML

8 SP

16

TD = 34.5' bgs.

25 to 26.5' bgs. SILTY SAND: (10YR 5/4) yellowish brown, dense, wet, 80% subrounded to subangular, fine to medium-grained sand, poorly graded, 20% non-plastic fines, micaceous, no odor. At the bottom of spoon, (Gley2 3/5) greenish black 100% sand.

34.2 to 34.5' bgs. POORLY GRADED SAND: (10YR 5/4) yellowish brown, 100% subrounded to subangular, coarse to very coarse-grained sand, poorly graded, micaceous, no reaction with acid.

20 to 20.8' bgs. LEAN CLAY: (10YR 2/2) very dark brown, very stiff,moist to wet, 100% medium plastic fines, no reaction with acid, no odor.

20.8 to 21.5' bgs. POORLY GRADED SAND: (10YR 2/2) very dark brown, medium dense, moist to wet, 100% subrounded, very fine to coarse-grianed sand, no odor.

30 to 30.75' bgs. POORLY GRADED SAND: (10YR 5/4) yellowish brown, medium dense, wet, 100% subrounded to subangular medium to coarse-grained sand, poorly graded, micaceous, no reaction with acid, quartz and feldspar clasts present.

34 to 34.2' bgs. SILT: (Gley1 3/N) very dark gray, very stiff, 100% low plastic fines, micaceous, no reaction with acid.

water at 22' bgs.

---- 26 ----

---- 25 ----

---- 22 ----

---- 23 ----

---- 24 ----

---- 20 ----

---- 21 ----

---- 34 ----

---- 35 ----

---- 32 ----

---- 33 ----

---- 31 ----

---- 28 ----

---- 29 ----

---- 27 ----

---- 30 ----

---- 36 ----

---- 37 ----

---- 40 ----

---- 38 ----

---- 39 ----

Page 26: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 1 Project: 10 feet bgs Sampling Method: Location: 4 inches Project No.: Tetra Tech Logged By:

Hand Auger

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

1026 SW

1035 SW

1049 SP

1109 SP

1136 SP-SM

TD = 10' bgs

0.5 ft bgs. WELL GRADED SAND: (10YR 8/2) very pale brown, very loose to loose, dry, 95% subrounded to subangular, medium to very coarse graded sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, no odor.

2 ft bgs. WELL GRADED SAND: (10YR 5/6) yellowish brown, medium density, damp, 95% subrounded to subangular, medium to verycoarse grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, no odor.

F33 Characterization

Date Boring Started: Date Boring Completed: 28-Jul-2008

28-Jul-2008Mandy Selders100-SBO-22288-0203Beaumont, CA Site 1

---- 11 ----

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 18 ----

---- 12 ----

---- 13 ----

---- 2 ----

---- 3 ----

---- 4 ----

---- 5 ----

BORING LOGF33-TW1

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter: Drilling Contractor:

Drilling Method:

Interval and Lithologic Description

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

---- 20 ----

water at 4 ft bgs. 4 ft bgs. POORLY GRADED SAND: (10YR 5/4) yellowish brown, medium density, wet, 95% subrounded to subangular, medium to very coarse grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, no odor. At ~3 ft bgs, trace gravel.

6 ft bgs. POORLY GRADED SAND: (10YR 4/3) brown, medium density, wet, 95% subrounded to subangular, medium to very coarse sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, no odor. At ~5 ft bgs, trace gravel. At ~6 ft bgs, silty sand and trace clay.

8 ft bgs. POORLY GRADED SAND WITH SILT: (10YR 3/3) dark brown, medium density, wet, 90% subrounded to subangular, very fine to fine grained sand, poorly graded, 10% non-plastic fines, micaceous, quartz, feldspars, no odor. At ~8ft bgs, possible organic material (2.5Y 3/1) very dark grey.

---- 6 ----

---- 7 ----

---- 8 ----

---- 9 ----

---- 10 ----

Page 27: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 1 Project: 11 feet Sampling Method: Location: 4 inch Project No.: Tetra Tech Logged By:

Hand Auger

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

745 SP

748 SP

753 SP

932 SP

1028 SP

---- 11 ----

---- 12 ----

TD = 11' bgs

---- 17 ----

---- 13 ----

Drilling Contractor:

Drilling Method:

---- 14 ----

---- 2 ----

---- 3 ----

---- 4 ----

---- 5 ----

Interval and Lithologic Description

9 ft bgs. POORLY GRADED SAND: (GLEY2 4/5BG) dark greenish grey, 95% subrounded to subangular, medium to coarse grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, doesnot effervesce with HCl, no odor.

6 ft bgs. POORLY GRADED SAND WITH GRAVEL: (10YR 4/2) dark greyish brown, medium density, wet, 75% subrounded to subangular, medium to very coarse grained sand, poorly graded, 20% subrounded to subangular, fine grained gravel, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, does not effervesce with HCl, no odor. Just below this sample area, ~6.1 to 6.2 ft bgs, ML sandy silt lens, (10YR 4/1) dark grey.

0.5 ft bgs. POORLY GRADED SAND: (10YR 6/3) pale brown, very loose, dry, 95% subrounded to subangular, fine to coarse grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, doesnot effervesce with HCl, no odor.

2 ft bgs. POORLY GRADED SAND: (10YR 5/4) yellowish brown, loose to medium density, damp, 95% subrounded to subangular, fine to medium grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, does not effervesce with HCl, no odor.

4 ft bgs. POORLY GRADED SAND: (10YR 4/4) dark yellowish brown, medium density, damp, 95% subrounded to subangular, fine to medium grained sand, poorly graded, 5% non-plastic fines, micaceous,quartz, feldspars, does not effervesce with HCl, no odor, few large clasts ~20 mm diam. At 4-4.5 ft bgs, gravel present.

---- 10 ----

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

---- 6 ----

---- 7 ----

30-Jul-2008Mandy Selders

BORING LOGF33-TW2

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter:

F33 Characterization

Date Boring Started: Date Boring Completed: 30-Jul-2008

100-SBO-22288-0203Beaumont, CA Site 1

---- 18 ----

---- 20 ----

---- 19 ----

water at 4.5 ft bgs.

---- 8 ----

---- 9 ----

---- 15 ----

---- 16 ----

Page 28: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 1 Project: 11 feet Sampling Method: Location: 4 inch Project No.: Tetra Tech Logged By:

Hand Auger

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

1245 SP

1247 SP

820 SP

830 SP

900 SP

946 SP

F33 Characterization

Date Boring Started: Date Boring Completed: 31-Jul-2008

30-Jul-2008Mandy Selders100-SBO-22288-0203

---- 12 ----

8 ft bgs. POORLY GRADED SAND: (10YR 6/2) light brownish gray, medium density, wet, 95% subrounded to subangular, coarse to very coarse grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, does not effervesce with HCl, no odor.

10 ft bgs. POORLY GRADED SAND: (10YR 6/2) light brownish gray,medium density, wet, 95% subrounded to subangular, coarse to very coarse grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, does not effervesce with HCl, no odor.

2 ft bgs. POORLY GRADED SAND: (10YR 6/4) light yellowish brown, medium density, damp, 95% subrounded to subangular, medium to coarse grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, does not effervesce with HCl, no odor.

TD = 11' bgs

---- 19 ----

---- 14 ----

---- 15 ----

---- 16 ----

---- 17 ----

---- 18 ----

---- 5 ----

Beaumont, CA Site 1

---- 10 ----

---- 11 ----

Interval and Lithologic Description

---- 6 ----

---- 7 ----

water at 4 ft bgs. 4 ft bgs. POORLY GRADED SAND: (10YR 6/4) light yellowish brown, medium density, damp, 95% subrounded to subangular, coarse to very coarse grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, no odor. At ~4.5 ft bgs, silt lens. A few clasts ~10 mm.

resume work 7-31-08

6 ft bgs. POORLY GRADED SAND: (10YR 5/4) yellowish brown, medium density, wet, 95% subrounded to subangular, coarse to very coarse grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, does not effervesce with HCl, no odor. A few clasts ~5mm.

Easting (feet): Ground Surface Elevation (feet MSL):

BORING LOGF33-TW3

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter: Drilling Contractor:

Drilling Method:

Northing (feet):

Top of Casing Elevation (feet MSL):

0.5 ft bgs. POORLY GRADED SAND: (10YR 6/4) light yellowish brown, loose, dry, 95% subrounded to subangular, fine to coarse grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, does not effervesce with HCl, no odor.

---- 20 ----

---- 13 ----

---- 8 ----

---- 9 ----

---- 2 ----

---- 3 ----

---- 4 ----

Page 29: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 1 Project: 10' bgs. Sampling Method: Location: 4 inch Project No.: Tetra Tech Logged By:

Hand Auger

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

1144 SP

1149 SP

0725 SP

SP

0820 SP

ML

SP

SP

TD= 10' bgs.

0.5 ft bgs. POORLY GRADED SAND: (10YR 6/3) pale brown, loose, damp, 95% subrounded to subangular, fine to coarse grained sand, poorly graded, 5% non-plastic fines, micaceous, quartz, feldspars, does not effervesce with HCl, no odor.

4 to 5.5' bgs. POORLY GRADED SAND: (7.5YR 5/2) brown, very loose to loose, wet, 100% subrounded, medium to very coarse-grained sand, micaceous, quartz, feldspar and possibly epidote clasts, no reaction with acid, no odor. Flowing sands.

resume work 8-1-08

Drilling Contractor:

Drilling Method:

---- 14 ----

---- 2 ----

---- 3 ----

---- 4 ----

---- 5 ----

---- 11 ----

---- 12 ----

Interval and Lithologic Description

---- 15 ----

---- 16 ----

---- 13 ----

5.5 to 7.5' bgs. POORLY GRADED SAND: (7.5YR 5/2) brown, very loose to loose, wet, 100% subrounded, coarse to very coarse-grained sand. At about 6' bgs increase in coarse grained material with some gravel. 7.5 to 8.5' bgs. POORLY GRADED SAND: (7.5YR 5/2) brown, very loose to loose, wet, 100% subrounded, coarse to very coarse-grained sand. At about 8' bgs, SANDY SILT lens, (Gley1 4/2) dark greenish gray, loose, wet, 70% non-plastic fines, 30% subrounded, coarse to 8.5 to 9.8' bgs. POORLY GRADED SAND: loose, wet, 100% subrounded, medium to coarse-grained sand, poorly graded. Hit something hard.

9.8 to 10' bgs. POORLY GRADED SAND: 100% coarse-grained sands.

2 ft bgs. POORLY GRADED SAND WITH GRAVEL: (10YR 6/4) light yellowish brown, medium density, wet, 75% subrounded to subangular, medium to very coarse grained sand, poorly graded, 20% subrounded to subangular, fine grained gravel, 5% non-plastic fines, micaceous, quartz, feldspar, no reaction with HCl, no odor.

---- 10 ----

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

---- 6 ----

---- 7 ----

31-Jul-2008Mandy Selders/Holly Hanke

BORING LOGF33-TW4

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter:

F33 Characterization

Date Boring Started: Date Boring Completed: 1-Aug-2008

100-SBO-22288-0203Beaumont, CA Site 1

---- 18 ----

---- 20 ----

---- 19 ----

---- 8 ----

---- 9 ----

---- 17 ----

water at 2 ft bgs.

Page 30: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 1 Project: 10.1' bgs Sampling Method: Location: 4" Project No.: Tetra Tech Logged By:

HA

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

1115 SP

1130 SP

0835 SP

0930 ML/CL

SP-SM

SP

TD = 10.1' bgs

8.3 to 9.2' bgs. POORLY GRADED SAND WITH SILT: (Gley1 5/N) gray, very loose, wet, 90% subrounded, medium to very coarse-grained sand, poorly graded, 10% non-plastic fines, slightly micaceous, no odor.9.2 to 10.1' bgs. POORLY GRADED SAND: (7.5YR 5/2) brown, very loose, wet, 90% subrounded, coarse to very coarse-grained sand, poorly graded 10% 1/4 to 3/8" gravel.

0 to 1.5' bgs. POORLY GRADED SAND: (7.5YR 8/1) white, very loose, dry to damp, 100% subrounded, fine to coarse-grained sand, poorly graded, no reaction with acid, no odor.

---- 20 ----

---- 5 ----

---- 10 ----

---- 11 ----

---- 12 ----

---- 13 ----

---- 6 ----

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

Drilling Contractor:

Drilling Method:

Interval and Lithologic Description

---- 2 ----

---- 3 ----

---- 4 ----

BORING LOGF33-TW5

---- 0 ----

---- 1 ----

Borehole Depth: Borehole Diameter:

F33- Characterization

Date Boring Started: Date Boring Completed: 4-Aug-2008

---- 7 ----

---- 8 ----

---- 9 ----

---- 19 ----

---- 14 ----

---- 15 ----

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1-Aug-2008Holly Hanke100-SBO-22288-0203Site 1 Beaumont, CA

Resume 8-4-08

8.1 to 8.3' bgs. CLAYEY SILT: (Gley1 4/10Y) dark greenish gray, very loose to loose, wet, low plastic fines. Flowing silt/sands keep coming up into the casing, unable to tell how deep the clayey silt is.

1.5 to 2' bgs. POORLY GRADED SAND: (7.5YR 5/2) brown, very loose to loose, moist, 100% subrounded, very fine to medium-grained sand, poorly graded, micaceous, increasing fines with depth.

2 to 2.3' bgs. POORLY GRADED SAND: (7.5YR 5/2) brown, very loose, wet, 100% subrounded, very fine to medium-grained sand, poorly graded. Predominantly medium-grained sand. Water at 2' bgs.

2.3 to 5' bgs. POORLY GRADED SAND: (7.5YR 5/2) brown, very loose, wet, 100% subrounded, coarse to very coarse-grained sand. Qtz and feldspar clasts present. 4.8' bgs POORLY GRADED SAND WITH SILT lens for 0.1'5 to 8.1' bgs. POORLY GRADED SAND: (7.5YR 4/2) brown, very loose, wet, 95% subrounded, medium to very coarse-grained sand, poorly graded, 5% 3/4 to 1-2" gravel. Gravel lens at ~5'bgs.

water at 2' bgs.

Page 31: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Page 1 of 1 Project: 10.1' bgs. Sampling Method: Location: 4" Project No.: Tetra Tech Logged By:

HA

Depth(feet bgs) Recovery

Blow Counts Time

Sample No. USCS

Graphic Log

OVA (ppm, BZ = breathing

zone)

1155 SM/ML

ML

1200

SM

0720 SM

0738

SP-SM

SP

943 SP

TD = 10.1

F33- Characterization

Date Boring Started: Date Boring Completed: 5-Aug-2008

4-Aug-2008Holly Hanke100-SBO-22288-0203

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BORING LOGF33-TW6

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---- 1 ----

Borehole Depth: Borehole Diameter: Site 1 Beaumont, CA

Interval and Lithologic Description

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0 to 0.6' bgs. SILTY SAND/SANDY SILT: (5YR 7/1) light gray, very loose, dry, 50% subrounded, very fine-grained sand, poorly graded, 50% non-plastic fines, micaceous, no odor. Organic material present and soil appears to be burned.

Drilling Contractor:

Drilling Method:

Northing (feet): Easting (feet): Ground Surface Elevation (feet MSL): Top of Casing Elevation (feet MSL):

0.6 to 2' bgs. SANDY SILT: (5YR 7/1) light gray, very soft, damp, 70%non-plastic fines, 30% subrounded to subangular, very fine-grained sand, poorly graded, micaceous.

2 to 3.1' bgs. SILTY SAND: (7.5YR 4/2) brown, very loose, damp to moist, 70% subrounded, very fine to fine-grained sand, poorly graded, 30% non-plastic fines.

6 to 8.5' bgs. POORLY GRADED SAND: (10YR 5/3) brown, very loose, wet, 100% subrounded, coarse to very coarse-grained sand, poorlygraded. Water keeps bringing in sand and silt, casing hard to drive.

8.5 to 10.1' bgs. POORLY GRADED SAND: (10YR 7/1) light gray, very loose, wet, 100% subrounded, coarse to very coarse sand, poorly graded, trace fines, micaceous. Primarily very coarse grained with some 2" gravel clasts.

resume hand augering 8-5-08

3.1 to 4' bgs. SILTY SAND: (Gley1 5/10Y) greenish gray, very loose, moist to wet, 80% subrounded, very fine to fine-grained sand, poorly graded, 20% non-plastic fines, micaceous, no groundwater yet.

4 to 6' bgs. POORLY GRADED SAND WITH SILT: (10YR 5/3) brown, very loose, wet, 90% subrounded, medium-grained sand, poorly graded, 10% non-plastic fines, micaceous, no odor, qtz and feldspar clasts visible.

water at 4' bgs

Page 32: BORING LOG F33-DP17sand, poorly graded, micaceous, no reaction with acid. Two inch SM lens at 9' bgs. 13 to 15.5' bgs. POORLY GRADED SAND: (7.5YR 6/1) gray, medium dense, dry to damp,

Recommended