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'-Water Quality Control ~ision <br />Addendum - Page 7 <br />Permit Number: CO-0027154 <br />APPENDIX A <br />• ~ ~. <br />~ ^~' ~ 't <br />. ,, ~ ~ " <br />-' <br />~r^ <br />.i' <br />Water Quality Data for Groundwater Aquifer Near Energy Mine 111 <br />Constituent (mg/1) <br />Total Dissolved Solids <br />Specific Conductance <br />(umhos) <br />Alkalinity <br />pH <br />CaC03 Hardness <br />Sodium Absorption Ratio <br />Calcium <br />Potassium <br />Magnesium <br />Sodium <br />Sulfate <br />Chloride <br />Carbonate <br />Bicarbonate <br />Nitrate-Nitrogen <br />Barium <br />Fluoride <br />Aluminum <br />Chromium <br />Copper <br />Dissolved Iron <br />Dissolved Manganese <br />Lead <br />Zinc <br />Nickel <br />Arsenic <br />Mercury <br />Boron <br />Phosphorus <br />Cadmium <br />Selenium <br />Vanadium <br />Molybdenum <br />Min. Max. Mean SD 1/ <br />100 860 644.4 248.2 <br />280 1410 865.2 146.2 <br />150 1080 644.1 320.9 <br />8.19 8.94 8.63 0.21 <br />10 371 56.3 102.0 <br />0.9 40 23.78 16.20 <br />2.7 109 13,95 16.63 <br />0.5 3.7 1.92 0.86 <br />0.3 24.0 3.28 3.68 <br />43 480 283.48 97.97 <br />6 384 122.65 92.25 <br />1.9* 6.9* 4,16* 1.78* <br />26 132 60.75 31.05 <br />114 767 497.13 271.13 <br />0.15 1.0 0,508 0,306 <br />0.00 0.69 0.238 0.087 <br />0.1* 2.9* 1.24* 1.09* <br />0.00 0.04 0.010 0.009 <br />0.00 0,02 0.016 0.002 <br />0.00 0.24 0.050 0.113 <br />0.00 0.16 0.029 0.051 <br />.000* ,004* ,0013* .0023* <br />0.00 0.19 0.038 0.059 <br />0.00 0.00 0.000 0.000 <br />.000* ,000* .0000* .0000* <br />,000* ,001* .0003* .0006* <br />0.02* 0,33* 0,116* 0.132* <br />.000* .001* ,0003* .0006* <br />,000* .002* ,0006* .0009* <br />.000* ,0029* .0009* .0012* <br />,000* .009* .0024* .0039* <br />1/ Standard Deviation from Mean <br />* From Brogden b Giles (1977) in samples from wells directly down-gradient <br />from Energy Pfine No. 1 <br />