Exhibit 7.2
0.570000000000001 0.590000000000001 0.610000000000001 0.6300000000000011010
1020
1030
1040
1050
1060
1070
1080
1090
Exhibit 7.3Wasatch Front (North) Interchangeability
2010 Daily Averages
OVR to QPCPaysonCoalvilleKern RiverUpper Wobbe Limit (+5%)Lower Wobbe Limit (-5%)
Specific Gravity
Hea
t Va
lue
(BTU
)
Upper Limit 1382
Lower Limit 1309
0.570000000000001 0.6200000000000011000
1020
1040
1060
1080
1100
1120
1140
Exhibit 7.4Eastern Interchangeability (Wyoming)
2010 Daily Averages
Kent Ranch (Rock Springs)JL - 4 (Rock Springs)EvanstonGreen River (#2060)Green River (#2061)Benson Upper LimitEastern Region Set PointLower Limit (-5%)
Specific Gravity
Hea
t Va
lue
(BTU
) 1425 (Maximum per Benson Study)
1309
1378 (Eastern Setpoint)
Exhibit 7.5
Exhibit 7.6
Exhibit 7.7
Exhibit 7.8
Ryckman Creek Gas Storage ProjectExhibit 7.9