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2008-04-15_REVISION - M1980244 (295)
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2008-04-15_REVISION - M1980244 (295)
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Last modified
6/15/2021 5:52:11 PM
Creation date
4/28/2009 2:13:03 PM
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Template:
DRMS Permit Index
Permit No
M1980244
IBM Index Class Name
REVISION
Doc Date
4/15/2008
Doc Name
VOL II Appendix 2, Attachment C- Grassy Valley Hydrologic Monitoring DFata Summaries
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CC&V
To
DRMS
Type & Sequence
AM9
Media Type
D
Archive
No
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Table C8 GVMW-1B Water chemistry summary statistics <br /> <br />• <br />Station Identification: GVMW 1B <br />Location: Grassy Valley <br />Station type: Groundwater <br />Period of record start: March 7, 1994 <br />Period of record end: November 13, 2007 <br /> <br />Laboratory Parameters <br />Units <br />Number of analyses Number of <br />non-detected values Maxiumum <br />value Minimum <br />value Average Standard deviation <br />Field Parameters <br />Depth to Water ft 52 0 25.66 6.88 19.61 4.37 <br />Water Temperature C 64 0 12.7 5.3 7.5 1.5 <br />Conductivity µmhos 63 0 680 33 64 95 <br />PH su 64 1 6.7 <5.88 6.2 0.6 <br />Dissolved Oxygen mg/l 47 0 10.30 6.30 7.84 1.06 <br />General Parameters <br />Total Dissolved Solids mg/1 37 0 370 25 115 82 <br />Acidity mg/1 39 37 18.0 <1 3.1 4.7 <br />Alkalinity as CaCO3 mg/1 31 0 14 6 12 2 <br />Ammonia mg/1 40 39 0.10 <0.05 0.08 0.03 <br />Hardness mg/1 40 0 35 17 2l 4 <br />Total Suspended Solids mg/l 40 16 460 <5 76 116 <br />Special Parameters <br />Cyanide, Free mg/l 65 64 0.03 <0.01 0.02 0.01 <br />WAD Cyanide mg/l 65 64 0.03 <0.005 0.00 0.00 <br />Major Anions <br />Bicarbonate ion (as CaCO3) mg/l 29 0 17 7 14 3 <br />Carbonate ion (as CaCO3) mg/l 25 24 5 <5 3 l <br />Chloride, Total mg/l 38 23 10.00 <0.5 1.58 2.11 <br />Fluoride, Total mg/l 38 14 0.25 <0.05 0.19 0.08 <br />Nitrate, Total mg/l 39 0 1.10 0.80 0.96 0.09 <br />Sulfate, Total mg/l 38 29 18.0 <10 8.75 4.73 <br />Major Cations <br />Calcium, Total mg/l 39 0 7.00 4.20 5.35 0.63 <br />Magnesium, Total mg/l 39 0 4.20 1.20 1.84 0.68 <br />Potassium, Total mg/l 38 0 6.00 0.80 1.74 1.21 <br />Sodium, Total mg/1 38 0 3.16 2.00 2.39 0.31 <br />Trace Metals <br />Arsenic, Total recoverable m l 22 22 <0.05 <0.005 <0.05 ID <br />Cadmium, Dissolved mg/l 39 31 0.003 <0.0001 0.0004 0.001 <br />Chromium, Total recoverable mg/l 0 0 NA NA NA NA <br />Copper, Dissolved mg/l 39 35 0.006 <0.005 0.003 0.001 <br />Iron, Dissolved mg/l 39 2 4.40 <0.04 0.85 1.04 <br />Iron, Total recoverable mg/l 30 0 36.00 1.20 7.60 8.83 <br />Manganese, Dissolved mg/1 39 22 0.0300 <0.01 0.0158 0.0084 <br />Mercury, Total mg/l 33 31 0.0001 <0.0001 0.0001 0.00003 <br />Nickel, Dissolved mg/l 39 37 0.0100 <0.005 0.0064 0.0033 <br />Selenium, Dissolved mg/l 39 37 0.03 <0.005 0.004 0.005 <br />Silver, Dissolved mg/l 39 38 0.0005 <0.0001 0.0003 0.0002 <br />Zinc, Dissolved mg/l 39 28 0.03 <0.005 0.01 0.01 <br />NA: Not analyzed <br />ID: Insufficient data <br />Nondetects set to % detection limit for calculations <br />•
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