REP46967

• Permit No: C1981071
• IBM Index Class Name: Report
• Doc Date: 6/15/1999
• Doc Name: 1998 AHR LIST OF TABLES TO TABLE 29
• Annual Report Year: 1998
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

CYPRUS YAMPA~LLEY COAL CORPORATION: MINE I, 2 AND ECKMAN PARK • •
1998 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QUALITY DATA
summery of water quality deta.btw
Average Std. Maximum Minimum Units Count Begin End
1 PHYSICAL PROPERTIES TEMPERATURE FIELD 9.469 3.6 19.000 4.000 DECREES C 217 07(19 09/98
2 CONDUCTIVITY FIELD 1400.909 444.9 2330.000 340.000 UMHOS/CM 219 07!79 09/98
3 LAB 1674.553 258.9 2100.000 1230.000 UMHOS/CM 47 04/87 08/98
4 PH FIELD 7.479 0.4 8.500 6.190 PH 221 07(79 09N8
5 LAB 7.650 0.2 8.200 7.600 PH 8 0786 08/98
6 ALKALINITY TOTAL 426.520 66.3 744.000 222.000 MG/L 50 0786 08/98
7 ACIDITY AS CACO3 9300 13.7 19.000 -0.400 MG/L 2 OS/81 I IBI
8 HARDNESS TOTAL 548.503 149.7 1070.000 32.230 MG/L 78 03/79 OB/-8
9 AS CACO3 698.000 0.0 698.000 698.000 MG/L 1 l IN6 I1/-6
10 SOLH)S DISSOLVED 1099.034 247.4 1920.000 728.000 MG/L 89 03/19 08/98
II SUSPENDED 28.000 0.0 28.000 28.000 MG/L 1 06/91 06NI
12 CATIONS CALCIUM DISSOLVED 127.764 35.8 226.000 4.000 MG/L 90 03/79 08N8
13 MAGNESIUM DISSOLVED 57.319 19.5 156.000 0.650 A1C/L 89 03!19 08/98
14 SODIUM DISSOLVED 167.022 46.8 318.000 40.000 MG/L 89 03/79 08/98
IS POTASSIUM DISSOLVED 5.062 2.5 10.000 1.720 MC/L 18 03/79 04/83
I6 SAR NOT APPLICABLE 3.263 1.2 10.516 0.564 UNDEFINED 85 03/79 08/98
I7 ANIONS BICARBONATE AS HCO3 /79.682 103.6 892.800 174.000 A1G/L 89 05/79 08/98
18 CARBONATE AS CO3 4.729 10.3 33.600 -2.000 AtC/L 74 05!19 08/98
19 HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 16 12/94 OSNB
20 CHLORmE NOT APPLICABLE H.418 4.2 23.000 3.000 111G/L 33 08/79 0187
2I SULFATE NOT APPLICABLE 487.348 152.4 1000.000 253.000 MC/L 92 07/79 08N6
22 PRIMARY ARSENIC DISSOLVED -0.826 2.2 2.000 -5.000 UG/L 23 OSBI 0489
23 BARIUM DISSOLVED 84.545 369.3 800.000 -300.000 UG/L 11 04/79 11/81
24 CADMRJIII DISSOLVED -2.083 8.8 36.000 -20.000 UG/L 69 0581 08N8
25 TOTAL RECOV 0.200 0.0 0.200 0.200 UG/L 1 06/91 06/-I
26 LEAD DISSOLVED -32.500 663 200.000 -200.000 UG/L 52 0581 08/98
27 MERCURY DISSOLVED -0.087 0.9 7.000 -1.000 UG/L 68 0581 08/98
28 TOTAL RECOV -0.100 0.0 -0.100 -0.100 UG/L 1 06/91 06/91
29 SELENIUM DISSOLVED -0.826 2.9 15.000 -5.000 UG/L 69 OSBI 08N8
}0 TOTAL RECOV -1.000 0.0 -1.000 -1.000 UG/L 1 06/91 06/91
}I SILVER DISSOLVED -36.667 5.8 -30.000 X0.000 UG/L 3 1180 IIBI
32 SECONDARY SILVER TOTAL RECOV -0.500 0.0 -0.500 -0.500 UG/L 1 06/91 06N1
33 COPPER DISSOLVED 4.375 42.4 80.000 -30.000 UG/L 16 03/79 0483
34 ZINC DISSOLVED 34.829 34.3 105.000 -10.000 UG/L 35 03/79 0489
35 TOTAL RECOV 100.000 0.0 100.000 100.000 UC/L 1 06/91 06N1
36 IRON DISSOLVED 369.393 1608.6 15000.000 -60.000 UG/L 89 03/79 OH/9H
37 TOTAL RECOV 290.000 0.0 290.000 290.000 UC/L 1 06/91 06N1
}g MANGANESE DISSOLVED 151.046 165.8 640.000 -70.000 UG/L 87 03/79 08N8
TABLE BA SITE: O1S5 (001.5-5, FOIDEL CREEK ALLUVIUAI)