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Table A22 SGA 0 Water chemistry summary statistics <br />Station Identification: <br />Location <br />Station Type: <br />Period of Record Start: <br />Period of Record End: <br />• <br />SG-10 <br />Squaw Gulch <br />Surface Water <br />August 4, 1998 <br />February 20, 2008 <br />Parameters Units Number of analytes Number of nondetecte <br />values d Maximum <br />value Minimum <br />value Average Standard <br />deviation <br />Field Parameters <br />Flow gpm 33 25 163.60 <0 12.09 32.17 <br />Water Temperature C 7 0 16.7 11.0 14.8 2.1 <br />Conductivity µmhos 7 0 1433.00 934.00 1263.86 174.27 <br />pH su 7 0 6.7 5.8 6.2 0.3 <br />Dissolved Oxygen mg/1 7 0 8.00 4.80 6.40 1.19 <br />General Parameters <br />Total Dissolved Solids mg/l 7 0 1230 912 1095 108 <br />Acidity mg/1 7 0 36.0 16.0 24.3 7.2 <br />Alkalinity as CaCO3 mg/l 2 2 <10 <10 5 ID <br />Ammonia mg/1 7 7 <0.05 <0.05 0.03 ID <br />Hardness mg/1 7 0 798.00 497.00 658.29 89.10 <br />Total Suspended Solids mg/l 7 7 <10 <10 5.00 ID <br />Special Parameters <br />CN, Free mg/l 7 7 <0.01 <0.01 0.01 ID <br />WAD CN mg/1 7 7 <0.01 <0.01 0.01 ID <br />Major Anions <br />Bicarbonate ion (as CaCO3) mg/l 5 5 <10 <10 5 ID <br />Carbonate ion (as CaCO3) mg/l 5 5 <10 <10 5 ID <br />Chloride mg/1 7 0 85.00 34.00 55.29 22.21 <br />Fluoride mg/l 7 0 8.41 5.29 6.68 1.14 <br />Nitrate mg/l 7 0 5.84 0.61 2.69 1.90 <br />Sulfate mg/1 7 0 714.00 471.00 602.43 72.73 <br />Major Cations <br />Calcium mg/I 7 0 245.00 141.00 187.86 31.38 <br />Magnesium mg/1 7 0 53.40 35.10 45.93 6.23 <br />Potassium mg/1 7 0 5.10 3.59 4.44 0.62 <br />Sodium mg/1 7 0 37.80 16.40 25.36 7.37 <br />Trace Metals <br />Arsenic, (total recoverable) mg/1 5 4 0.007 <0.005 0.003 0.002 <br />Cadmium, (dissolved) mg/1 7 4 0.002 <0.001 0.001 0.001 <br />Chromium, (total recoverable) mg/1 0 0 NA NA NA NA <br />Copper, (dissolved) mg/1 7 7 <0.005 <0.005 0.003 ID <br />Iron, (dissolved) mg/l 7 7 <0.05 <0.05 0.03 ID <br />Iron, (total recoverable) mg/1 5 5 <0.05 <0.05 0.03 ID <br />Lead, (dissolved) mg/1 7 7 <0.001 <0.001 0.0005 ID <br />Manganese, (dissolved) mg/1 7 0 2.26 0.09 0.81 0.79 <br />Mercury, (total) mg/1 7 7 <0.0002 <0.0002 0.0001 ID <br />Nickel, (dissolved) mg/1 7 0 0.04 0.01 0.02 0.01 <br />Selenium, (dissolved) mg/l 7 6 0.0070 <0.005 0.0031 0.0017 <br />Silver, (dissolved) mg/l 7 7 <0.001 <0.001 0.001 ID <br />Zinc, (dissolved) mg/1 7 0 0.88 0.21 0.43 0.25 <br />NA: Not analyzed <br />ID: Insufficient data <br />Nondetects set to % detection limit for calculations <br />0