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 yualitydata-Il.brw
Average Std. Maximum Minimum Units Count Begin End
1 PHYSICAL PROPERTIES TEMPERATURE FlELD 11.765 6.4 25.000 1.000 DEGREES C 376 03/79 09/99
2 CONDUCTIVITY FlELD 2008.055 945.6 3780.000 100.000 UMHOS/CM 363 05/79 09/99
3 LAB 2787.281 599.9 4170.000 1150.000 UMHOS/CM 64 07/86 09/99
4 PH FlELD 7.760 0.5 8.740 6.100 PH 375 03/79 09/99
5 LAB 8.009 0.2 8.300 7.300 PH 22 07/86 09/99
6 ALKALINITY TOTAL 259.677 60.0 432.000 158.000 MG/L 62 07/86 09/99
7 ACIDITY AS CACO3 7.667 20.2 31.000 -4.000 MG/L 3 10/80 10/81
8 HARDNESS AS CACO3 1216.295 549.2 2574.000 319.000 MG/L 200 10/80 09/99
9 SOLIDS SETTLEABLE 0.200 0.0 -0.200 -0.200 MUL I 06/92 06/92
10 SUSPENDED 74.836 137.5 1352.000 -10.000 MC/L 256 03/79 09/99
Il TOTAL-DISS 1846.702 909.9 4160.000 330.000 MG/L 258 03/79 09/99
12 OIL&GREASE VISIBLE NOT APPLICABLE 2.000 0.0 2.000 2.000 UNDEFINED 95 04/85 09/89
13 CATIONS CALCIUM DISSOLVED 229.154 92.6 471.000 65.000 M11G/L 201 10/80 09/99
14 TOTAL RECOV ?84.714 42.6 320.000 200.000 MG/L 7 06/87 09/86
IS MAGNESIUM DISSOLVED 157,236 79.7 350.000 38.000 MG/L 201 10/80 09/99
16 TOTAL RECOV 203.571 47.1 239.000 110.000 MG/L 7 06/87 09/88
17 SODIUM DISSOLVED 94.513 51.4 358.000 30.000 MG/L 202 10/80 09/99
IB TOTAL RECOV 134.857 50.1 193.000 51.000 MG/L 7 06/87 09/88
19 POTASSIUM DISSOLVED 5.437 1.6 12.000 3.300 MG/L 70 10/80 08/89
20 SAR NOT APPLICABLE 1.238 0.6 3.660 0.520 UNDEFINED 196 10/80 09/99
21 ANIONS BICARBONATE AS HCO3 308.135 84.6 65g.g00 115.900 MG/L 199 10/80 09/99
22 CARBONATE AS CO3 11.206 13.5 48.000 ?.000 MG/L 64 03/81 09/99
2J HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 21 03/95 09/99
24 CHLORIDE NOT APPLICABLE 17.252 II.0 54.000 3.000 MG/L IIS 10/80 08/89
25 SULFATE NOT APPLICABLE 1153.653 598.0 2690.000 20.000 MG/L 202 10/80 09/99
26 PRIMARY ARSENIC TOTAL -0.529 2.5 13.000 -5.000 UG/L 51 10/80 01/87
27 TOTAL RECOV -0.333 1.2 1.000 -1.000 UG/L 3 08/88 08/69
28 BARIUM TOTAL -266.667 57.7 -200.000 -300.000 UG/L 3 10/80 10/BI
29 TOTAL RECOV 20.000 26.5 40.000 -10.000 UG/L 3 OS/88 OB/89
30 CADMIUM DISSOLVED -0.100 0.0 -0.100 -0.100 UG/L I 09/89 09/89
31 TOTAL -5.392 6.6 ?8.000 -20.000 UG/L 51 10/80 01/87
32 TOTAL RECOV -0.438 1.5 4.200 -5.000 UG/L 56 04/87 09/99
33 CHROMIUM TOTAL-TOT REC -10.000 0.0 -10.000 -10.000 UG/L 3 OS/BS 08/89
34 LEAD DISSOLVED 20.000 0.0 20.000 20.000 UG/L I 09/89 09/89
35 TOTAL -5.686 90.6 450.000 -200.000 UG/L 51 10/80 01/87
36 TOTAL RECOV -20.000 0.0 -20.000 -20.000 UG/L 3 08/88 08/89
J7 MERCURY DISSOLVED -0.100 0.0 -0.100 -0.100 UG/L 1 09/89 09/89
38 TOTAL -0.340 0.8 3.000 -5.000 UG/L 52 10/BO 01/87
TABLE 19A SITE: B (FOIDEL CREEK BELOW FOIDEL CREEK MINE)