REP10492

• Permit No: C1992080
• IBM Index Class Name: Report
• Doc Date: 12/11/2001
• Doc Name: 98 AHR SECTION 2 HYDROLOGIC SUMMARIES FOR 1998 WATER YR
• Annual Report Year: 1998
• Permit Index Doc Type: HYDROLOGY REPORT
• Media Type: D
• Archive: No

• TABLE # 4. CARBON JUNCTION MINE
GW WELL SUMMARY 1998 WATER YEAR
WELL 94-1 (MID-MINE)
SEMIANNUAL
SAMPLING FREQUENCY

Water Year uarter 4 97 1 98 2 98 3 98 Max Min Mean
Sam le Date no 1/14/98 6/1/98 no
sam le sam le
Arsenic As <0.001 <0.001 0 0 n/a
Calcium Ca 74.9 72.0 74.9 72 73.5
Bicarbonate CaC03 520 465 520 465 493
Cadmium Cd <0.005 <0.005 0 0 n/a
Chloride CI 30 11 30 11 20.5
Carbonate CaC03 0 60 60 0 30
De th to Water 64.0 22.0 64 22 43.0
Conductivit EC 1254 1130 1254 1130 1192
Iron Fe 0.3 1.5 1.5 <0.20 0.9
Mercu H <0.001 <0.001 0 0 n/a
Ma nesium M) 56.3 56.9 56.9 56.3 57
Man anese Mn <0.2 <0.2 0 0 n/a
Sodium Na 127 133 133 127 130
Ammonia as Nitro en NH3 2.40 1.60 2.4 1.6 2.00
Nitrite N02 <0.05 NT 0 0 n/a
Nitrate N03 <0.05 NT 0 0 n/a
Nitrate/Nitrite N03, N02 <0.04 0.10 0.1 <0.04 n/a
H 7.60 7.40 7.6 7.4 7.5
Phos hate P04 0.23 0.34 0.34 0.23 0.285
Phos horus~Total 0 0 n/a
Selenium Se <0.001 <0.001 0 0 n/a
Sulfate S04 220 215 220 215 218
Total Dissolved Solids TDS 910 880 910 880 895
Tem erature 13.0 19.0 19 13 16
Zinc Zn <0.25 <0.25 0 0 n/a
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