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 ECKAtAN PARK • •
1999 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QUALITY DATA
summary of water quality data-Il.brw
Average Sld. Maximum Minimum LnItS Count Begin End
1 PHYSICAL PROPERTIES TEMPERATURE FIELD 10.837 2.7 19.000 8.000 DEGREESC 43 OI/81 09/99
2 CONDUCTIVITY FIELD 1869.791 771.6 3490.000 350.000 UMHOS/CM 43 01/81 09/99
3 LAB 2261.769 938.9 5740.000 1350.000 UMHOS/CM 26 05/87 09/99
4 PH FIELD 7.616 0.5 9.470 6.400 PH 43 01/81 09/99
S LAB 7.867 0.3 8.300 7.600 PH 6 05/97 09/99
b ALKALINITY TOTAL 463.923 85.4 761.000 360.000 MG/L 26 05/87 09/99
7 ACIDfTY AS CACO3 1.350 7.6 6.700 -4.000 MG/L 2 01/81 01/82
8 HARDNESS AS CACO3 219.220 136.9 629.000 28.000 MG/L 41 01/81 09/99
9 TOTAL 150.000 0.0 150.000 150.000 MG/L I 10/86 10/86
10 SOLIDS TOTAL-DISS 1485: 747.3 4370.000 420.000 MG/L 41 OI/81 09/99
11 OIIBcGREASE VISIBLE NOT APPLICABLE 2.000 0.0 2.000 2.000 UNDEFINED 1 OS/BS OS/88
12 CA77ONS CALCIUM DISSOLVED 44.661 28.6 143.000 8.000 MG/L 41 OI/BI 09/99
13 MAGNESIUM DISSOLVED 24.498 IS.I 66.000 2.000 MG/L 41 01/81 09/99
14 SODIUM DISSOLVED 449.878 187.0 1160.000 101.000 MG/L 41 OI/81 09/99
15 POTASSIUM DISSOLVED 3.088 0.7 4.200 2.300 MG/L 8 01/81 04/83
16 SAR NOT APPLICABLE 13.954 4.8 29.496 0.452 lNDEFINED 43 01/81 09/99
17 ANIONS BICARBONATE AS HCOJ 545.824 117.2 913.200 292.000 MG/L 41 OI/81 09/99
IS CARBONATE AS CO3 7.480 16.4 66.000 -2.000 MG/L 20 04/81 09/99
19 HYDROXIDE AS OH -1.818 0.6 0.000 -2.000 MG/L II 06/93 09/99
20 CHLORIDE NOT APPLICABLE 15.600 10.4 44.000 5.000 MG/L IS 01/81 10/86
21 SULFATE NOT APPLICABLE 685.366 449.2 2400.000 35.000 MG/L 41 OI/BI 09/99
22 PRIMARY ARSENIC DISSOLVED - . 3 1.4 -1.000 5.000 UG/L 12 OI/BI 10/86
23 BARIUM DISSOLVED -250.000 70.7 -200.000 -300.000 UG/L 2 OI/81 01/82
24 CADMIUM DISSOLVED -2.771 5.7 5.000 -20.000 UG/L 38 OI/BI 09/99
25 LEAD DISSOLVED -50.323 73.0 90.000 -200.000 UG/L 31 OI/81 09/99
26 MERCURY DISSOLVED -0.182 0.8 4.000 2.000 UG/L 38 01/81 09/99
27 SELENIUM DISSOLVED -1.053 2.2 II.000 -5.000 UG/L 38 01/81 09/99
28 SILVER DISSOLVED -35.000 7.1 -30.000 -40.000 UG/L 2 01/81 01/82
29 SECONDAR\' COPPER DISSOLVED -28.000 4.5 -20.000 -30.000 UG/L 5 01/81 04/83
30 ZINC DISSOLVED 32.667 19.8 54.000 -10.000 UG/L 12 01/BI 10/86
31 IRON DISSOLVED 232.439 452.9 2830.000 -60.000 UG/L 41 OI/BI 09/99
32 MANGANESE DISSOLVED 63.585 97.7 640.000 10.000 UG/L 41 01/81 09/99
33 TRACE METALS ALUMINUM DISSOLVED -200.000 393.7 500.000 -400.000 UG/L 5 01/81 04/83
>4 BORON DISSOLVED 388.WU 84.1 SWAW 3W.UOU UG/L 5 UI/81 04/83
35 MOLYBDENUM DISSOLVED 50.000 55.6 -10.000 -300.000 UG/L 31 OI/81 09/99
36 NUTRIENTS NITROGEN AMMIA-FREE 0.004 0.0 0.011 0.001 MG/L 10 01/81 OS/88
37 AMMIUM-TOTAL 1.070 1.1 2.690 -0.100 MG/L 10 01/81 OS/88
38 NITRATE 0.235 0.4 1.430 -0.020 MG/L 27 10/86 09/99
TABLE SA SITE: 09794 (009.79.4, WADGE OVERBURDEN)