2009-08-10_GENERAL DOCUMENTS - M1977300 ‎(2)‎

• Permit No: M1977300
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Date: 8/10/2009
• Doc Name: EPP- pgs. 9-30 to 11-10
• From: Whetstone Associates/Cotter Corp.
• To: DRMS
• Permit Index Doc Type: Gen. Correspondence
• Email Name: DB2
• Media Type: D
• Archive: No

Environmental Protection Plan, Schwartzwalder Mine 11-50
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Table 11-8. Comparison of Water Quality with Location in Ralston Creek, November 1998
Parameter Name SW-UP SW-UC SW-AWD SW-A001 SW-BDIS SW-PL SW-OS SW-BOS SW-GS SW-BPL SW-FBRG SW-ARH SW-LLHG
11/24/98 11/24/98 11/19/98 11/19/98 11/24/98 11/24/98 11/24/98 11/23/98 11/23/98 11/19/98 11/19/98 11/19/98 11/19/98
pH 8 8 8.3 8.5 8.1 8.1 8.1 8.1 8 8.7 8.2 8.5 8.3
Conductivity 500 598 192 192 597 196 217 467 376 478 354 511 482
Total diss. solids 400 388 128 137 394 119 134 309 245 322 232 355 302
Total sus p. solids <1. <1. 1410 <1. <1. <1. 1 3 1 3 <1. 2 2
Hardness, total 81 81 78 79 180 180 180 150 120 150 120 160 160
Bicarbonate(calc) 117 101 100 95 146 146 146 122 171 122 122 118 122
Alkalinity, total 96 83 82 78 120 120 120 100 140 100 100 97 100
Nitrate Nitrogen <0.1 <0.1 0.5 <0.1 2.5 2.9 2.5 1.8 0.8 1.8 0.9 1.8 1.8
Calcium, diss. 23 23 22 23 40 40 40 34 29 35 28 37 36
Sodium, diss. 8 8 9 9 54 55 54 39 29 38 26 42 38
Magnesium, diss. 5.8 5.7 5.7 5.6 20 20 20 15 11 16 12 18 16
Potassium, diss. 1.3 1.4 1.4 1.4 2.9 2.9 2.9 2.4 2 2.5 2 2.5 2.5
Sulfate 14 13 12 12 160 170 170 120 79 120 72 130 130
Fluoride, total 0.3 0.3 0.3 0.3 0.6 0.6 0.6 0.5 0.5 0.5 0.4 0.5 0.5
Chloride 11 11 13 13 16 15 13 13 14 15 11 14 16
Aluminum, diss. <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
Antimony, diss. <0.008 <0.008 <0.008 <0.008 <0.008 <0.008 <0.008 <0.008 <0.008 <0.008 <0.008 <0.008 <0.008
Arsenic, diss. <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003 <0.003
Barium, diss. 0.04 0.04 0.03 0.03 0.04 0.03 0.04 0.04 0.04 0.03 0.03 0.04 0.03
Beryllium, diss. <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002
Cadmium, diss. <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002
Chromium, diss. <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005
Copper, diss. <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02 <0.02
Iron, diss. <0.03 0.04 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03 <0.03
Lead, diss. <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002 <0.002
Manganese, diss. <0.01 <0.01 <0.01 0.01 <0.01 <0.01 <0.01 <0.01 <0.01 0.01 <0.01 <0.01 <0.01
Mercury, diss. <0.0002 0.0005 <0.0002 <0.0002 <0.0002 0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002 <0.0002
Molybdenum,
diss. <0.01 <0.01 <0.01 <0.01 0.35 0.35 0.35 0.23 0.22 0.22 0.12 0.24 0.21
Nickel, diss. <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0.04 <0,04 <0.04 <0.04 <0.04 <0.04
Selenium, diss. <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005
Silver, diss. <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
Thallium, diss. <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 <0.001
Vanadium, diss. <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01 <0.01
Zinc, diss. <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005 <0.005
Uranium, diss. 0.0028 0.0031 0.0038 0.0157 0.0034 0.0035 0.0049 0.0075 0.0062 0.0062 0.0062 0.0103 0.0169
Radium-226, diss. 0.2 0.2 0.3 0.5 0.5 0.4 0.4 0.3 0.9 0.6 0.4 0.8 0.9
Gross Alpha, diss. 2.9 3.3 3.1 12 4.1 5.7 3.4 5.7 7.6 7.1 5.7 9.2 13
Gross Beta, diss. 0.9 2.1 <0.3 5.8 4 3.6 1.9 2.9 1.5 3.6 3.8 3.6 8.5
NOTES: Results in mg/L except gross alpha and gross beta (pCi/L), specific conductance (umhos/cm), and pH (standard units, -log H').
4109C.090807