REP51867

• Permit No: C1981071
• IBM Index Class Name: Report
• Doc Date: 2/16/2000
• Doc Name: 1999 ANNUAL HYDROLOGY REPORT PN C-81-071
• Annual Report Year: 1999
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

CYPRUS YAMPA~LLEY COAL CORPORATION: MINE NO. 1, 2, AND ECKMAN PARK •
1999 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QUALITY DATA summary of water quality data-Il.brx
Average Sld. Maximum Minimum DnILS Count Begin End
}9 TOTAL RECOV -0.250 0.6 0.200 -4.000 UG/L 56 04/87 09!99
40 SELENIUM DISSOLVED -1.000 0.0 -1.000 -1.000 UG/L I 09/89 09/89
41 TOTAL -0.727 1.9 3.000 -5.000 UG/L 51 10/80 01/87
42 TOTAL RECOV ~ 1.071 3.0 3.000 -20.000 UG/L 56 04/87 09/99
43 SILVER TOTAL -27.525 18.9 -0.100 -40.000 UG/L 4 10/80 01/87
44 SECONDARY SILVER TOTAL RECOV -0.28? 0.6 1.300 -3.000 UG/L 56 04/87 09/99
45 COPPER TOTAL -11.308 17.1 60.000 -30.000 UG/L 52 10/80 01/87
46 TOTAL RECOV -10.000 0.0 -IOA00 -10.000 UC/L 3 08/88 08/89
47 ZINC TOTAL 216.574 977.4 5300.000 -10.000 UG/L 54 l0(fl0 Ol(fl7
48 TOTAL RECOV 7.857 47.7 290.000 -50.000 UG/L 56 4!/87 09/99
49 IRON DISSOLVED 300.000 0.0 300.000 300000 UG/L I 09/89 09/89
50 TOTAL 1403.100 2411.2 ?8000.000 -20.000 UG/L 200 03/79 01/87
51 TOTAL RECOV 438.214 362.4 2030.000 -20.000 UG/L 56 01/87 09/99
52 MANGANESE DISSOLVED 182.813 158.1 590.000 -10.000 UG/L 32 IJ86 04/90
53 TOTAL 374.889 361.5 3280.000 -20.000 UG/L 199 03/79 01/87
54 TOTAL RECOV 247.655 191.6 970.000 -10.000 UC/L 84 02/87 09/99
55 TRACE METALS ALUMINUM TOTAL 1902.800 4842.5 26000.000 -400.000 UG/L 50 10/80 01/87
56 TOTAL RECOV 393.333 517.3 990.000 70.000 UG/L 3 OB/88 08/89
57 BORON DISSOLVED 183.333 28.9 200.000 150.000 UG/L 3 08/88 08/89
58 TOTAL 211.667 263.8 700.000 -100.000 UG/L 6 10/80 41/83
59 MOLYBDENUM DISSOLVED -50.000 0.0 -50.000 -50.000 UG/L I 09/89 09/89
60 TOTAL -89.592 67.7 -50.000 -300.000 UG/L 49 IU/80 01/87
61 TOTAL RECOV -30.893 20.9 20.000 -50.000 UG/L 56 04/87 09/99
62 NICKEL TOTAL RECOV -20.000 0.0 -20.000 -20.000 UG/L 3 08/88 08/89
6J NUTRIENTS NITROGEN AMMIA-FREE -0.010 0.0 0.070 -0.050 MG/L 53 04/81 09/99
64 AMMIUM-TOTAL 0.090 0.1 0.700 -0.200 MG/L 61 04/81 08/99
65 NITRATE 0.408 0.5 1.800 -0.020 MG/L 64 07/86 09/99
66 NITRITE 0.000 0.0 0.050 -0.020 MG/L 24 07/86 09/99
67 N03+N02 2.712 3.1 18.700 -0.020 MG/L 200 10/80 09/99
68 PHOSPHATE NOT APPLICABLE -0.015 0.0 0.030 -0.030 MG/L 4 Od/99 09/99
69 ORTHO-DISS 0.074 0.8 7.800 -0.020 MG/L 108 10/80 09/99
70 TOTAL-TOTAL 0.011 0.0 0.024 -0.010 MG/L 3 08/88 08/89
TABLE 19A SITE: 8 (FOIDEL CREEK BELOW FOIDEL CREEK MINE)