REP32481

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: TABLE 46A CYPRUS YAMPA VALLEY COAL CORP SUMMARY OF WATER QUALITY DATA
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

TABLE 59A
CYPRUS YAMPA VALLEY COAL CORP
SUMMARY OF WATER QUALITY DATA
STATION NUMBER: 715 --- FISH CREEK BOREHOLE (115)
Average Std Maxiniun Minimum Units Count
PRIMARY
CAONIUM
MERCURY
SELENIUM
SILVER
SECONDARY
COPPER
21 NC
IRON
MANGANESE
TRACE METALS
ALUMINUM
MOLYBDENUM
Period
TOTAL RECOV -0.100 0.0 •0.100 -0.100 UG/l 7 09/92 - 09/92
TOTAL RECOV -0.100 0.0 -0.100 -0.100 UG/L 7 09/92 - 09/92
TOTAL RE[OV -20.000 0.0 -20.000 -20.000 UG/L 1 09/92 - 09/92
TOTAL RECOV -0.350 0.3 0.100 -0.500 UG/L 4 03/90 - 09/92
DISSOLVED -10.000 O.D -10.000 -7D.000 UG/L 1 17/93 - 11/93
TOTAL -10.000 0.0 -10.000 -10.000 UG/L 1 11/93 - 11/93
TOTAL RECOV 4.750 3.5 9.000 7.000 UG/L 4 03/90 - 07/92
TOTAL RECOV 51.667 31.3 100.000 20.000 UG/L 6 03/90 - 77/93
DISSOLVED 176.667 245.3 900.000 -20.000 UG/L 12 04/90 - 11/93
TOTAL 170.000 0.0 170.000 170.000 UC/L 1 02/91 02/91
TOTAL RE[OV 728.841 833.7 3940.000 -20.000 UG/L 138 11/89 - 02/96
DISSOLVED 20.000 0.0 20.000 20.000 UG/L 1 03/92 - 03/92
TOTAL RE[OV 126.430 352.6 3250.000 -10.000 UG/L 93 71/89 - 02/96
DISSOLVED 81.579 158.8 450.000 -500.000 UG/L 38 11/89 - 02/96
TOTAL RECOV -50.000 0.0 -50.000 -50.000 UG/L 7 09/92 - 09/92

Report Date: 28-FEB-97 Page: 2 of 3
Report Name: WQA020R