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• LEY COAL CORPORATION: MINE 1, 2 AND ECKMAN PARK • •
1998 ANNUAL HYDROLOGIC REPORT
SUMALARY OF WATER QUALITY DATA
summary of water quality data.brw
Average Std. Masimum Minimum Units Count Begin End
I PHYSICAL PROPERTIES TEMPERATURE FIELD 10344 0.7 11.700 9.600 DEGREES C 9 10/94 09/98
2 CONDUCTIVITY FIELD 1061.111 480.9 2260.000 770.000 UMHOS/CM 9 10/94 09/98
3 LAB 970.778 418.3 2060.000 709.000 UMHOS/CM 9 10/94 09/99
4 PH FIELD 9.061 0.7 9.910 7.400 PH 9 IO/94 09/98
5 LAB 9.500 0.3 9.900 9300 PH 4 OSN7 09/98
6 ALKALRVITY TOTAL 401.778 20.5 425.000 374.000 MG/L 9 lON4 09/98
7 HARDNESS TOTAL 15333 11.6 43.000 6.000 MG/L 9 10/94 09N8
8 SOLIDS DISSOLVED 553.111 372.7 1460.000 70.000 MG/L 9 10/94 09N8
9 CATIONS CALCIUM DISSOLVED 3.444 23 9.000 1.400 MC/L 9 IO/94 09/98
10 MAGNESIUM DISSOLVED 1.611 1.5 5.000 0.500 MC/L 9 ION4 09N8
11 SODIUM DISSOLVED 235.000 102.3 502.000 178.000 MG/L 9 10/94 09/98
12 SAR NOT APPLICABLE 29518 IL5 48.700 13.559 UNDEFINED 9 10/94 09/98
13 ANIONS BICARBONATE AS HCO3 369.733 65.6 440.000 251.000 MG/L 9 10/94 09N8
14 CARBONATE AS CO3 58.400 383 131.000 14.000 MG/L 9 lON4 09/98
IS HYDROXIDE AS OH -2.000 0.0 -2.000 -2.000 MC/L 8 05/95 09f98
16 SULFATE NOT APPLICABLE 127.556 218.8 700.000 -10.000 MC/L 9 10/94 09/98
17 PRIMARY CADMIUM DISSOLVED -0.267 0.7 1.600 -0.500 UC/L 9 ION4 09N9
18 LEAD DISSOLVED -48.889 57.5 -20.000 -200.000 UC/L 9 10/94 09/98
19 MERCURY DISSOLVED -0.200 0.0 •0.200 -0.200 UG/L 9 10/94 09/98
20 SELENIUM DISSOLVED -0.444 1.7 4.000 -1.000 UG/L 9 10/94 09N8
21 SECONDARY IRON DISSOLVED 386.667 540.9 1700.000 50.000 UG/L 9 10/94 09/98
22 MANGANESE DISSOLVED 7.778 27.9 70.000 -10.000 UC/L 9 ION4 09/98
23 TRACE METALS MOLYBDENUM DISSOLVED -IS.556 13.3 -10.000 -50.000 UG/L 9 10/94 09/98
24 NUTRIENTS NITROGEN NITRATE 0.067 0.1 0.160 -0.020 Is1G/L 9 10/94 09/98
25 NITRITE 0.010 0.0 0.100 -0.010 MC/L 8 OSNS 09/98
26 NO3+NO2 0.297 0.6 2.020 -0.020 MG/L 9 ION4 09/98
i 27 PHOSPHATE ORTHO-DISS 0.043 0.0 0.130 -0.005 MC/L 9 lON4 09N8
TABLE 6A SITE: 94M001 (VVADGE OVERBURDEN)