2011-09-26_PERMIT FILE - C1981012 ‎(24)‎

• Permit No: C1981012
• IBM Index Class Name: Permit File
• Doc Date: 9/26/2011
• Section_Exhibit Name: EXHIBIT 08 HYDROLOGY AND GEOLOGY INFORMATION
• Media Type: D
• Archive: No

39
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TABLE 6 Comparison Of Water Quality In Bedrock And I•taxwell Mine
Discharge
t•1AX41ELL DISC. '
PARAMETER Mean Values LA 221A LA 264 LA 218A
Alkalinity (CaC03), mg/1 603 596 615 579
Bicarbonate, mg/1 738 606 749 0
Boron 0.069 0.06 0.06 0.16
Calcium, mg/1 31.6 1.8 3.3 20.2
Carbonate, mg/1 2.5 59.6 0 225
Chloride, mg/1 13.3 15.0 16.0 14.8
Fluoride, mg/1 2.7 2.3 2.4 2.9
Iron (total), mg/1 6.13 25.9 0.27 117
Iron (diss.), mg/1 0.03 <0.02 0.02
Magnesium, mg/1 4.4 0.1 1.4 <0.2
1anganese (total), mg/1 0.064 0.14 <0.01 0.33
• Manganese (dirs.) mg/1 <0.009 <0.009 <0.009
~ pH - 7.9 8.8 8.2 11.4
Potassium, mg/1 23.0 2.1 2.3 3.1
Selenium, mg/1 <0.01 <0.002 <0.002 <0.002
~ Sodium, mg/1 7.91 251 294 244
Spec. Cond. (umhos/cm) 1405 1000 1100 1600
Sulfate, mgl 52 15 88 33.1
Total Diss. Solids, mg/l 11}2 775 846 891
Zinc (total), mg/1 0.065 1.66 0.042 1.14
Zinc (diss.), mg/1 0.03 <0.01 <0.01
*Apparently spurious sample on 2/21/80 not included
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