2010-08-02_REVISION - M1977300 ‎(28)‎

• Permit No: M1977300
• IBM Index Class Name: REVISION
• Doc Date: 8/2/2010
• Doc Name: New Amend.- EPP- Geochemical Data and Analysis.
• From: Cotter Corp.
• To: DRMS
• Type & Sequence: AM2
• Media Type: D
• Archive: No

Environmental Protection Plan, Schwartzwalder Mine 14-6
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Table 14-4. Average Water Quality for Samples Collected from Deep Mine Workings
779 7J2 1108 15B13/15B 16G 1730 19D15(Fe) 19D16(Mn) 1906 Composite
Average
General Parameters
pH S.U. 7.9 8.2 8.4 8.2 8.3 8.1 8.1 8.1 7.9 8.1
TDS mg/L 897 636 850 941 1100 1053 1112 968 1105 963
-Alkalinity m L CaCO3 520 305 300 370 140 310 330 330 210 313
Maior Ions
Ca mg/L 108 87 97 33 109 103 194 38 110 97
C1 mg/L 6.4 5.0 10.4 31.0 26.4 6.0 24.6 24.4 23.5 17.5
F mg/L 0.2 0.2 0.4 5.0 0.8 0.2 1.0 2.1 0.4 1.1
K mg/L 6.9 4.9 5.6 6.2 4.0 8.0 10.6 8.6 4.5 6.6
Mg mg/L 123 53 84 10 31 96 34 15 52 55
Na mg/L 21 23 42 280 158 37 220 238 140 129
SO4 mg/L 328 235 358 356 600 462 490 402 568 422
NH3 Mg/L N 0.5 0.0 0.5 1.0 0.5 1.5 0.5 0.5 0.5 0.6
NO3 Mg/L N 0.5 0.1 3.4 0.2 0.2 13.2 0.2 0.2 0.4 2.0
Dissolved Metals
Al mg/L 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
Sb mg/L 0.151 0.000 0.004 0.004 0.004 0.068 0.003 0.003 0.004 0.027
As mg/L 0.017 0.002 0.001 0.004 0.003 0.018 0.006 0.006 0.002 0.006
Ba mg/L 0.25 0.25 0.13 0.13 0.27 0.25 0.25 0.25 0.03 0.20
Be mg/L 0.001 0.000 0.001 0.001 0.001 0.001 0.001 0.001 0.001 0.001
Cd mg/L 0.0001 0.0000 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002 0.0001
Cr mg/L 0.0025 0.0000 0.0025 0.0025 0.0025 0.0025 0.0025 0.0025 0.0025 0.0022
Cu mg/L 0.028 0.010 0.020 0.015 0.013 0.010 0.010 0.013 0.010 0.014
Fe mg/L 0.030 0.015 0.030 0.015 0.020 0.015 0.040 0.015 0.015 0.022
Pb mg/L 0.0016 0.0003 0.0027 0.0008 0.0006 0.0009 0.0014 0.0010 0.0010 0.0011
Mn mg/L 0.168 0.005 0.015 0.015 0.030 0.018 0.050 0.005 0.033 0.038
Hg mg/L 0.0001 0.0000 0.0001 0.0001 0.0001 0.0001 0.0001 0.0007 0.0001 0.0002
MO mg/L 4.000 0.000 0.090 0.025 0.020 2.220 0.070 0.100 0.115 0.738
Ni mg/L 0.07 0.00 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02
Se mg/L 0.0025 0.0000 0.0025 0.0025 0.0025 0.0025 0.0025 0.0025 0.0025 0.0022
Ag mg/L 0.0001 0.0000 0.0004 0.0004 0.0004 0.0002 0.0002 0.0004 0.0004 0.0003
T1 mg/L 0.0005 0.0000 0.0050 0.0005 0.0005 0.0020 0.0005 0.0005 0.0005 0.0011
V mg/L 0.0050 0.0000 0.0050 0.0050 0.0050 0.0050 0.0050 0.0050 0.0050 0.0044
Zn mg/L 0.20 0.02 0.04 0.01 0.00 0.02 0.01 0.01 0.00 0.03
U m L 27.00 0.38 5.66 0.24 0.03 14.06 4.54 1.70 0.46 6.01
4109C.100731
Whetstone Associates