REP14250

• Permit No: C1981044
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 1996 AHR Tables& Figures: Table 1 through Figure No. 28
• Permit Index Doc Type: Hydrology Report 1996
• Media Type: D
• Archive: No

• ~ 7
EMPIRE ENERGY COAL CORP.
SUMMARY OF HATER QUALITY DATA
STATION NUMBER: T4 --- TR-4
Average Std Maximum Minimum Units Count Period
ANIONS
BICARBONASE AS CAC03 189.000 0.0 189.000 189.000 MG/L 1 06/96 - 06/96
AS NC03 237.570 121.0 584.000 34.160 MG/L 23 03/81 - 06/95
CARBONATE AB CAC03 2.000 0.0 2.000 2.000 MG/L 1 06/96 - 06/96
AS C03 22.091 48.7 168.000 0.000 MG/L 11 09/82 - 06/95
XTDROXIDE AS CAC03 2.000 0.0 2.000 2.000 MG/L 1 06/96 - 06/96
AS OH 0.667 1.2 2.000 0.000 MG/L 3 06/92 - 06/95
CHLORIDE NOT APPLICABLE 2.875 2.8 15.000 1.000 MG/L 24 03/81 - 06/96
SULFATE NOT APPLIC118LE 30.583 34.5 140.000 2.000 MG/L 24 03/81 - 06/96
MINOR
FLUORIDE NOT APPLICABLE 0.311 0.1 0.840 0.200 MG/L 22 03/81 - 06/94
PRI NARY
ARSENIC DISSOLVED 1.125 0.3 2.000 1.000 UG/L 16 07/83 - 06/96
BARIUM DISSOLVED 200.000 0.0 200.000 200.000 UG/L 1 07/83 - 07/83
CADMIUM DISSOLVED 7.875 11.3 50.000 3.000 UG/L 16 07/83 - 06/96
TOTAL RECOV 5.125 0.4 6.000 5.000 UG/L 8 03/B1 - 12/82
LEAD DISSOLVED 21.875 5.4 40.000 20.000 UG/L 16 07/83 - Ob/96
TOTAL RECOV 46.250 25.6 70.000 20.000 UG/L 8 03/81 - 12/82
MERCURY DISSOLVED 0.231 0.2 1.000 0.100 UG/L 16 07/83 - 06/96
TOTAL RECOV 1.000 0.0 1.000 1.000 UG/L 8 03/81 - 12/82
SELENIUM DISSOLVED 1.125 0.3 2.000 1.000 UG/L 16 07/63 - 06/96
TOTAL RECOV 2.500 3.1 10.000 1.000 UG/L B 03/81 - 12/82
SILVER DISSOLVED 20.000 0.0 20.000 20.000 UG/l 1 03/85 - 03/85
•
Report Date: 01-APR-97 Page: 2 of 3
Report Name: NOA020R