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 ECKMAN PARK • •
1998 ANNUAL HYDROLOGIC REPORT
SUMMARY OF WATER QUALITY DATA summary of water quality deta.brw
Average Std. Maximum Minimum Uoits Couut Begin End
1 PHYSICAL PROPERTIES TEMPERATURE FIELD 16.115 5.9 27.000 2.500 DEGREESC 102 04/89 09N8
2 CONDUCTIVITY FIELD 1769.804 988.9 3200.000 220.000 UMHOS/CM 102 04/89 09N8
3 LAB 1120.095 1074.4 3280.000 253.000 UMHOS/CM 21 04/89 04/97
4 off FIELD 7.961 0.4 8 °SO 7.100 PH 102 04,'89 09,98
5 LAB 5.133 0.1 8.200 8.100 PH 3 04/97 05/97
6 ALKALINITY TOTAL 97.500 43.1 129.000 67.000 MG/L 2 09/95 04/97
7 f41RDNESS TOTAL 644522 6875 2140.000 115.000 MC/L 23 0489 OSN7
8 SOLmS DISSOLVED 578333 482.8 1440.000 170.000 MG/L 6 04/89 05/97
9 SUSPENDED 24.000 0.0 24.000 24.000 DIC/L 1 09N5 09/95
10 SETTLEABLE -0.142 0.1 -0.100 -0.400 ML/L 33 04/59 09N8
II OIL&GREASE VISIBL NOT APPLICABLE 2.000 0.0 2.000 2.000 UNDEFINED 49 04/89 08N6
12 CATIONS CALCIUM DISSOLVED 130309 135.8 484.000 28.000 MG/L 23 04/89 OS/97
13 MAGNESIUM DISSOLVED 77.683 873 254.000 10.000 MG/L 23 04/89 OSN7
14 SODHIM DISSOLVED 47.000 48.1 77.000 9.000 MG/L 2 09N5 04N7
IS SAR NOT APPLICABLE 0.690 0.6 1.130 0.250 UNDEFINED 2 09N5 04N7
16 ANIONS BICARBONATE AS HCO3 101.400 77.2 156.000 46.800 MC/L 2 09N5 04/97
17 CARBONATE AS CO3 7.400 133 16.800 -2.000 MG/L 2 09/95 04N7
IB HYDROXH/E AS OH -2.000 0.0 -2.000 -2.000 MG/L 2 09/95 04N7
19 CHLORIDE NOT APPLICABLE 7.000 0.0 7.000 7.000 MC/L 1 09/95 09/95
20 SULFATE NOT APPLICABLE 545.500 587.6 961.000 130.000 MG/L 2 09N5 04/97
2I PRIMARY ARSENIC TOTAL RECOV 3.000 0.0 3.000 3.000 UG/L 1 09N5 09/95
22 CADMIUM DISSOLVED -1.750 1.8 -0.500 -3.000 UC/L 2 09N5 04/97
27 CHROMIUM HEX-DISS 14.000 0.0 14.000 14.000 UG/L 1 09/95 09N5
24 TOTA4TOT REC -10.000 0.0 -10.000 -10.000 UG/L I 09/95 09N5
25 LEAD DISSOLVED -30.000 14.1 -20.000 -40.000 UG/L 2 09N5 04/97
26 MERCURY DISSOLVED -0.200 0.0 -0.200 -0.200 UC/L I 04N7 04/97
27 TOTAL RECOV -0.200 0.0 -0.200 -0.200 UG/L 1 09N5 09/95
28 SELENIUM DISSOLVED -20.500 27.6 -1.000 40.000 UC/L 2 09/95 04/97
29 SILVER DISSOLVED -5.000 0.0 -5.000 -5.000 UG/L 1 09N5 09N5
3"v SECv ~i.ARY COPPER D7SSOi.'v ED -70.000 0.0 -i0.G00 -10.000 Ul;/L I O9N5 09/95
3i IRON DISSOLVED 10.000 0.0 10.000 10.000 UG/L 1 04/97 04N7
32 TOTAL RECOV 400.000 0.0 400.000 400.000 UG/L I 09/95 09N5
33 MANGANESE DISSOLVED 36.000 0.0 36.000 36.000 UG/L 1 04/97 04N7
34 TOTAL RECOV 45.000 0.0 45.000 45.000 UG/L 1 09/95 09/95
35 TRACE METALS BORON DISSOLVED 40.000 0.0 40.000 40.000 UG/L 1 09N5 09/95
M MOLYBDENUM DLSSOLVED -10.000 0.0 -10.000 -10.000 UC/L I 04/97 04N7
37 NICKEL DISSOLVED -10.000 0.0 -10.000 -10.000 UC/L 1 09/95 09/95
36 NUTRIENTS NITROGEN AMMH)M-TOTAL O.I10 0.0 0.110 O.IIO MG/L 1 09/95 09/95
ABLE 49A SITE: 91 (POND M, MINE 2)