REP05217

• Permit No: C1981071
• IBM Index Class Name: Report
• Doc Date: 6/15/1999
• Doc Name: 1998 AHR TABLE 30 TO TABLE 49
• Annual Report Year: 1998
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

CYPRUS YAMPA~LEY COAL CORPORATION: MINE 1, 2 AND ECICI1fAN PARK • •
1996 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QUALFFY DATA summary of water quality deh.brw
Avenge Std. Maximum Minimum Unih Couot Begin End
1 PHYSICAL PROPERTIES TEMPERATURE FIELD 12.457 6.2 26.700 1.000 DEGREES C 235 04!79 06/98
2 CONDUC'T'IVITY FIELD 1938550 978.0 5640.000 100.000 UMHOS/CM 231 04/79 06196
3 LAB 2170.878 851.5 3670.000 280.000 UMHOS/CM 41 10/86 06/97
4 PH FIELD 7.891 0.4 9.100 6.600 PH 239 04/79 06N8
5 LAB 7.740 0.4 8.000 7.000 PH 5 04/87 06/97
6 ALKALINITY TOTAL 136.000 0.0 176.000 136.000 MG/L 1 06/97 06/97
7 HARDNESS TOTAL 1398.057 6193 2360.000 139.000 MG/L 35 03/89 06N7
B SOLIDS DISSOLVED 1253.213 808.0 3960.000 160.000 MG/L 94 04/79 06/97
9 SUSPENDED 599321 4460.8 40360.000 -10.000 MC/L 81 04/19 06N7
10 SETTLEABLE -0.450 0.2 0.200 -0.500 MG/L 14 01/86 03N2
11 0.083 1.7 14.100 -0.400 MUL 69 04/84 06N8
12 OII,&GREASE VISIBL NOT APPLICABLE 2.000 0.0 2.000 2.000 UNDEFINED 129 03/85 08N6
13 CATIONS CALCIUM DISSOLVED 267366 106.9 456.000 40.800 MG/L 35 0389 06N7
14 MAGNESIUM DISSOLVED 177.657 67.1 302.000 8.900 MC/L 35 03/89 06N7
IS SODIUM DISSOLVED 12.600 0.0 12.600 12.600 MG/L 1 06/97 06/97
16 SAR NOT APPLICABLE 0.470 0.0 0.470 0.470 UNDEFINED I 06/97 06/97
17 ANIONS BICARBONATE AS HCO3 166.000 0.0 166.000 166.000 MG/L 1 06/97 06N7
18 CARBONATE AS CO3 -2.000 0.0 -2.000 -2.000 MG/L 1 06N7 06N7
19 IIYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MG/L 1 O6N7 06N7
20 SULFATE NOT APPLICABLE 20.000 0.0 20.000 20.000 MG/L I 06N7 06N7
21 PRIMARY CADMIUM TOTAL RECOV -0.500 0.0 -0.500 -0.500 UG/L 1 06N7 06N7
22 MERCURY TOTAL RECOV -0.200 0.0 -0.200 -0.200 UC/L 1 06/97 06N7
27 SELENIUM TOTAL RECOV -1.000 0.0 -1.000 -1.000 UG/L 1 06N7 06N7
24 SECONDARY SILVER TOTAL RECOV -0.500 0.0 -0.500 -0.500 UC/L 1 06/97 06N7
25 ZINC TOTAL RECOV -50.000 0.0 -50.000 -50.000 UG/L 1 06N7 06/97
26 IRON TOTAL 924.875 12943 8550.000 -20.000 UG/L 80 04/79 OSNI
27 TOTAL RECOV 90.000 0.0 90.000 90.000 UG/L 1 06/97 06/97
28 MANGANESE TOTAL 264.641 5813 3770.000 -10.000 UG/L 78 04/79 05186
29 TOTAL RECOV -30.000 0.0 -30.000 -30.000 UC/L 1 06/97 06N7
10 TRACE METALS MOLYBDENUM TOTAL RECOV -50.000 0.0 -50.000 -50.000 UG/L 1 06N7 06/97
31 NUTRIENTS NITROGEN AMMHIM-TOTAL 0.070 0.0 0.070 0.070 MG/L 1 06N7 06N7
32 AMMIA-FREE -0.010 0.0 -0.010 -0.010 MC/L 1 06N7 06N7
33 NITRATE 0.150 0.0 0.150 0.150 MG/L 1 O6N7 06N7
34 NITRITE -0.010 0.0 -0.010 -0.010 MG/L 1 06/97 06/97
35 _ NO3+NO2 0.150 0.0 0.150 0.150 MC/L 1 06/97 06N7
;6 PHOSPHATE ORTH0.DISS -0.005 0.0 -0.005 -0.005 MG/L 1 06/97 06/97
(ABLE 48A SITE: 57 (POND H, MINE I)