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 YAMPlI,LEY COAL CORPORATION: MINE NO. 1, 2, AND ECKMAN PARK • •
1999 ANNUAL HYDROLOGIC REPORT
SUMMARY OF W ATER QUALITY DATA
summary of water quality data-ll.brw
Average Sld. Maximum Minimum Unix Count Begin End
1 PHYSICAL PROPERTIES TEMPERATURE FIELD 12.577 6.9 28.000 -2.000 DEGREES C 341 03/79 09/99
2 CONDUCTIVITY FIELD 733.170 446.5 3370.000 160.000 UMHOS/CM 335 04/79 09/99
3 LAB 884.359 547.8 3810.000 271.000 UMHOS/CM 64 07/86 09/99
4 PH FIELD 7.868 0.6 9.120 6.200 PH 342 03/79 09/99
5 LAB 8.267 0.2 8.500 7.700 PH 24 07/86 09/99
6 ALKALMITY TOTAL 238.850 63.4 390.000 98.000 MG/L 60 07/86 09/99
7 ACIDITY AS CAC03 -4.000 0.0 -0.000 -0.000 MG/L 3 10/BO 10/81
8 HARDNESS AS CAC03 360.159 130.4 952.000 -7.000 MG/L 170 10/80 09/99
9 SOLIDS SETTLEABLE -0.200 0.0 -0.200 -0.200 ML1L 1 06/92 06/92
]0 SUSPENDED 181.804 285.2 2260.000 -5.000 MG/L 222 03/79 09/99
11 TOTAL-DISS 545.173 284.7 2812.000 140.000 MG/L 226 03/79 09/99
12 OIL&.GRF.ASE VISIBLE NOT APPLICABLE 2.000 0.0 2.000 2.000 UNDEFINED 74 04/SS 08!89
13 CATIONS CALCIUA1 DISSOLVED 69.925 24.1 200.000 -1.000 MG/L 175 10/80 09/99
14 TOTAL RECOV 75.833 11.8 87.000 56.000 MG/L 6 06/87 09/88
IS MAGNESIUM DISSOLVED 45.353 18.5 110.000 -1.000 MG/L 176 IO/80 09/99
16 TOTAL RECOV 53.333 12.1 65.000 31.000 MG/L 6 06/87 09/88
17 SODIUM DISSOLVED 52.874 78.3 654.000 -1.000 MGlL 176 10180 09199
18 TOTAL RECOV 29.667 6.7 40.000 23.000 MG/L 6 06/87 09/88
19 POTASSIUM DISSOLVED 2.485 0.9 5.300 0.800 MG/L 55 10/BO 07/83
20 SAR NOT APPLICABLE 1.123 1.4 11.315 -0.169 UNDEFINED 177 10/80 09/99
21 ANIONS BICARBONATE AS HC03 237.547 71.4 447.000 112.000 MG/L 174 10/80 09/99
22 CARBONATE AS C03 12.933 14.2 84.000 -2.000 MG/L 69 10/80 09/99
23 HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 21 04/95 09/99
24 CHLORIDE NOT APPLICABLE 3.941 4.3 21.000 -3.000 MG/L 85 10/80 06/86
25 SULFATE NOT APPLICABLE 236.523 239.5 1955.000 10.000 MG/L 176 10/80 09/99
26 PR{M1U\RY ARSENIC TOTAL 8.957 58.3 400.000 -5.000 UG/L 47 05180 12186
27 TOTAL RECOV -0.333 1.2 1.000 -1.000 UG/L 3 04/86 01/87
28 BARIUM TOTAL -266.667 57.7 -200.000 -300.000 UG/L 3 10/80 10/81
29 CADMIUM TOTAL -5.717 5.3 6.000 -20.000 UG/L 46 10/80 12/86
30 TOTAL RECOV -0.338 1.3 3.200 -5.000 UG/L 55 04/86 09/99
31 LEAD TOTAL -24.348 60.9 50.000 -200.000 UG/L 46 10/80 12/86
32 TOTAL RECOV -20.000 0.0 -20.000 -20.000 UG/L 3 04/86 01/87
33 MERCURY TOTAL -0.334 0.9 3.000 -5.000 UG/L 47 05/80 12/86
}4 TOTAL RECOV -0.151 0.1 0.200 -0.200 UGlL SS 04786 09199
35 SELENIUM TOTAL 0.957 3.1 6.000 -5.000 UG/L 47 OS/80 12/86
36 TOTAL RECOV -0.400 1.3 4.000 -2.000 UG/L 55 04/86 09/99
37 SILVER TOTAL -36.667 5.8 -30.000 -00.000 UG/L 3 10/80 10/81
38 SECONDARY SILVER TOTAL RECOV -0.388 0.2 0.100 -0.500 UG/L 52 04/87 09/99
TABLE 25A SITE: 1002 (FISH CREEK DOWNSTREAM OF SITE 302)