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

• TA~11
EMPIRE ENERGY COAL CORP.
SUMMARY OF HATER QUALITY DATA
STAi ION NUMBER: O1 --- 81-01
Average Std Maximum Minimum Units Count Period
ANIONS
BICARBONATE AS CpC03 258.000 0.0 258.000 258.000 MG/L 1 06/96 - 06/96
AS HC03 328.207 242.7 1183.400 79.300 MG/L 20 08/81 - 06/95
CARBONATE AS CAC03 2.000 0.0 2.000 2.000 MG/L 1 06/96 - 06/96
AS C03 19.031 23.1 72.000 0.000 MG/L 73 09/81 - 06/95
HYDRO%IDE AS CAC03 2.000 0.0 2.000 2.000 NG/L 1 06/96 - 06/96
AS OH 0.667 1.2 2.000 0.000 NG/L 3 06/92 - 06/95
CHLORIDE NOT APPLICABLE 6.905 4.7 20.000 2.000 MG/L 21 08/81 - 06/96
SULFATE NOT APPLICABLE 107.476 46.7 150.000 4.000 NG/L 21 08/81 - 06/96
MINOR
PRIMARY
FLUORIDE NOT APPLICABLE 0.635 1.2 5.400 0.180 MG/L 19 OB/81 - 06/94
ARSENIC DISSOLVED 1.214 0.4 2.000 7.000 UG/L 14 Ob/83 - 06/96
BARIUX DISSOLVED 200.000 0.0 200.000 200.000 UG/L 1 06/83 - 06/83
CADMIUM DISSOLVED 5.071 1.6 10.000 3.000 UG/L 14 06/83 - 06/96
TOTAL RECOV 5.000 0.0 5.000 5.000 UG/L 7 08/81 - 12/82
LEAD DISSOLVED 27.143 26.7 120.000 20.000 UG/L 14 Ob/83 - 06/96
TOTAL RECOV 91.429 142.9 410.000 20.000 UG/L 7 OB/81 - 12/82
MERCURY DISSOLVED 0.236 0.2 1.000 0.100 UG/L 14 O6/B3 - 06/96
TOTAL RECOV 1.000 0.0 1.000 1.000 UG/L 7 08/81 - 12/82
SELENIUM DISSOLVED 1.214 0.4 2.000 1.000 UG/L 14 06/83 - 06/96
TOTAL RECOV 2.714 3.3 10.000 1.000 UG/L 7 08/81 - 12/82
SILVER DISSOLVED 20.000 0.0 20.000 20.000 UG/L 1 03/85 - 03/BS

Report Date: 01-APR-97 Page: 2 of 3
Report Name: WA020R