2009-04-27_REPORT - C1981012

• Permit No: C1981012
• IBM Index Class Name: REPORT
• Doc Date: 4/27/2009
• Doc Name: 2008 Annual Hydrology Report
• From: Peak Project Management, LLC
• To: DRMS
• Annual Report Year: 2008
• Permit Index Doc Type: Hydrology Report
• Email Name: KAG
• Media Type: D
• Archive: No

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TABLE B-3***PAW-1 Ground Water Well Above Mine Site Summary of Water Quality Data
Parameters Year 1984 1985, 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998
Depth, Mean rest 6.3 6.2 6.4 7.5 6.6 8.6 7.5 7.5 8.3 7.9 6.8 9.8 7.9 8.1 7.4
Depth, Minimum rest 6.2 5.7 6.1 6.0 6.5 7.8 7.5 7.0 7.3 7.4 6.0 7.0 7.3 7.9 6.9
De th, Maximum feet 6.7 6.5 7.0 9.2 6.7 11.0 7.6 8.0 9.0 8.3 8.5 17.7 8.5 8.4 7.9
pH Mean (field) standard 7 7.2 7.2 7.96 8.92 7.45 7.96 8.11 8.2 8.31 8.9 8.88 8.27 8.895 7.54
pH, Minimum (field) standard 6.6 6.9 6.3 7.2 7.6 7.1 6.8 7.1 7.2 7.86 8.89 8.32 8.14 8.12 7.12
H Maximum field standard 8 7.7 8.2 8.6 10.3 7.8 8.9 9.2 8.91 8.61 8.92 9.31 8.4 9.53 7.85
H Lab standard 7.9 7.8

Conductivity, Mean
umhos/cm
325.3
336
248.6
183.4
123.5
117.3
203.2
124.7
815
319.25
246
124
191
155.5 1
480.1
Conductivity, Minimum umhos/cm 208 219 207 91 115 9.4 113 84 202 111 64 96 131 110 423.4
Conductivity, Maximum umhos/cm 394 414 336 328 129 160 323 169 1519 708 672 157 250 192 614
Temperature, Mean °c 9.3 8.7 10.2 7.6 9.2 10.4 12.67 14.5 16.2 13.06 13.8 13.3 12.2 9.85 10.5
Temperature, Minimum °c 6.5 6 6.5 4.2 6 7.3 10 11 11.9 11.3 7.2 9.3 12 8.6 7.5
Temperature, Maximum °c 12 12.4 12.1 10.6 12.4 13.1 15.4 17.6 20.5 17.1 16.8 20.4 12.4 11.1 15.5
Dissolved Oxygen m 4.1 4.4 3.7 1.3
Iron (total) mgA <.05 <.05 <.05 0.025 0.05 0.08 <.03 0.015 13 0.15 0.32 7.49 15.7 12.1 15.3
Iron (total recoverable) MgA 13.6
Iron dissolved m 0.4
TSS mg/1 49 450 4 22 68 54 30 20 10 56 30 58
TDS @ 180C MgA 180 122 153 111 84 64 67 121 90 61 130 110 190 80 260
TDS (calculated) MgA 77 198 114 264
TCS mgA 20 130 5 120 90 22 <10 51
Carbonate MgA <1 <1 <1 0.5 0.5 2 <1 0.5 6 3 <2 <2 <2 <2
Bicarbonate m 191 143 150 92 60 64 60 134 73 67 54 160 99 215
Manganese mgn 0.18 0.09 0.08 0.02 0.01 0.005 <.01 0.005 0.09
Manganese (total) mgn 0.013 0.123 0.337 0.052 0.65
Manganese dissolved m i 0.006 0.198
Sodium MgA 16 15 17 9 9.9 10.1 9 17 12 10 13.6 13.8
Sodium dissolved m 15.2 22.8
Chloride mg/1 4.3 1.7 1.2 6.2 2.6 2.1 3.2 3 4.12 4 7 4 4 5
Sulfate m 22 15 20 11 5 5 14 5 3.52 2 12 30 10 30
Calcium MgA 40 25 30 18 6.7 5.63 7 11.6 11 6.9 6.2 38.6
Calcium dissolved m 11.8 60.7
Magnesium MgA 9.6 7.1 8.6 5.6 4.5 5.76 5 9.2 7.2 6 5.1 14.1
Magnesium dissolved m 11.8 14.6
Potassium mgn 1.3 1.25 1.36 1.07 0.77 1.04 1 1.51 1.2 0.5 0.7 1.6
Potassium dissolved M9A 1 - 1.4 1.5
Hydroxide mgn <.05 0.25 0.5 <1 0.5 0.5 <2 <2 <2 <.2
Fluoride m 0.2 0.3 0.2 0.2 0.2 0.1 0.21 0.2 0.2 0.3 0.2 0.2
Lead MgA <.01 <.01 0.005 0.025 0.025 0.05 0.025 <.01 0.025 <.02 0.02
Lead dissolved m <.001 <.001
Selenium MgA <.01 <.01 0.005 0.05 0.05 <.1 0.05 0.001 0.003 <.001 <.001
Selenium dissolved m <.001 <.001
Mercury mgn
SAR standard 0.59 0.68 0.7 0.48 0.73 0.72 0.62 0.9 0.313 0.67 0.99 0.48 0.75 0.69
Settleable Solids mgn
Zinc MgA
Hardness m 7A