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Table 6. Summary Statistics of Analytical Data for Well LWCW -1A and the LW -001 Mine Water and Data from Well LW -22, Logan Wash Mine <br />Well LW -22 <br />LWCW -1A Summary Statistics <br />LW -001 Summary Statistics <br />11/10/05 <br />Parameters <br />Units <br />Min <br />Max <br />Mean <br />Median <br />Std Dev <br />Min <br />Max <br />Mean <br />Median <br />Std Dev <br />General Chemistry <br />Alkalinity, bicarbonate <br />mg /L <br />360.00 <br />471.00 <br />392.20 <br />385.00 <br />33.88 <br />250.00 <br />290.00 <br />272.18 <br />272.00 <br />13.59 <br />433 <br />Alkalinity, carbonate <br />mg /L <br />5 U <br />5 U <br />NA <br />NA <br />NA <br />5 U <br />5 U <br />NA <br />NA <br />NA <br />- <br />Alkalinity, total (as CaCO3) <br />mg /L <br />360.00 <br />471.00 <br />392.90 <br />385.00 <br />34.70 <br />250.00 <br />290.00 <br />272.18 <br />272.00 <br />13.59 <br />433 <br />Ammonia <br />mg /L <br />0.15 <br />1.40 <br />0.51 <br />0.24 <br />0.60 <br />0.15 <br />0.31 <br />0.24 <br />0.25 <br />0.08 <br />- <br />Bromide <br />mg/L <br />180.00 <br />180.00 <br />180.00 <br />180.00 <br />NA <br />.1101 <br />1.30 U <br />NA <br />NA <br />NA <br />- <br />Chemical oxygen demand (COD) <br />mg /L <br />18.00 <br />38.80 <br />30.44 <br />30.00 <br />7.28 <br />17.00 <br />104.00 <br />32.93 <br />23.60 <br />28.94 <br />50.00 <br />Chloride <br />mg/L <br />16.00 <br />46.70 <br />31.67 <br />31.50 <br />8.75 <br />25.50 <br />68.00 <br />36.85 <br />35.00 <br />7.18 <br />25.00 <br />Conductivity <br />umhos/cm <br />4000.00 <br />5550.00 <br />4358.33 <br />4150.00 <br />595.33 <br />2830.00 <br />3900.00 <br />3467.27 <br />3500.00 <br />260.92 <br />- <br />Cyanide, weak acid dissociable <br />mg /L <br />- <br />- <br />- <br />- <br />- <br />.0021 J <br />.010 U <br />NA <br />NA <br />NA <br />- <br />Dissolved organic carbon (DOC) <br />mg /L <br />8.30 <br />14.40 <br />11.28 <br />11.00 <br />1.87 <br />4.80 <br />9.20 <br />7.23 <br />7.30 <br />1.33 <br />11.00 <br />Fluoride <br />mg /L <br />1.80 <br />4.20 <br />3.00 <br />3.10 <br />0.80 <br />- <br />- <br />- <br />- <br />- <br />- <br />Fluoride (dissolved) <br />mg /L <br />0.41 <br />3.10 <br />1.28 <br />1.10 <br />0.94 <br />1.80 <br />3.00 <br />2.38 <br />2.30 <br />0.34 <br />0.70 <br />Hardness <br />mg /L <br />244.00 <br />1200.00 <br />846.29 <br />820.00 <br />317.79 <br />570.00 <br />690.00 <br />624.55 <br />600.00 <br />45.91 <br />1190 <br />Nitrate (as N) <br />mg /L <br />14 J <br />23.10 <br />16.93 <br />16.00 <br />3.46 <br />2.50 <br />5.40 <br />325 <br />2.90 <br />0.88 <br />12.40 <br />Nitrite (as N) <br />mg /L <br />.010 U <br />1.20 U <br />NA <br />NA <br />NA <br />0.27 <br />0.27 <br />0.27 <br />0.27 <br />NA <br />- <br />Od and grease <br />mg /L <br />5 U <br />5 U <br />NA <br />NA <br />NA <br />4.6 U <br />6.2 U <br />NA <br />NA <br />NA <br />- <br />Oil and grease (HEM), polar <br />mg /L <br />1.4 J <br />2.4 J <br />1.87 <br />1.80 <br />0.50 <br />1.3 J <br />5.7 U <br />NA <br />NA <br />NA <br />- <br />Oil and grease (HEM), total <br />mg /L <br />2 J <br />5.00 <br />3.50 <br />3.50 <br />2.12 <br />2.4 J <br />4.8 U <br />NA <br />NA <br />NA <br />- <br />pH <br />S.U. <br />7.39 J <br />7.66 J <br />7.52 <br />7.50 <br />0.14 <br />- <br />- <br />pH (lab) <br />S.U. <br />7.52 J <br />7.79 J <br />7.68 <br />7.74 <br />0.14 <br />7.66 J <br />8.2 J <br />NA <br />NA <br />NA <br />Phenolics (total) <br />mg /L <br />.00770 J <br />0.09 <br />0.04 <br />0.03 <br />0.04 <br />0.02 <br />0.04 <br />0.03 <br />0.03 <br />0.02 <br />- <br />Phosphorus <br />mg /L <br />.058 J <br />.058 J <br />.058 J <br />.058 J <br />NA <br />0.30 <br />0.30 <br />0.30 <br />0.30 <br />NA <br />0.01 <br />Silica <br />mg /L <br />18.00 <br />18.00 <br />18.00 <br />18.00 <br />NA <br />- <br />- <br />- <br />- <br />- <br />- <br />Sulfate <br />mg /L <br />220 J <br />2100.00 <br />1492.00 <br />1555.00 <br />530.82 <br />1140.00 <br />1510.00 <br />1255.45 <br />1200.00 <br />115.79 <br />1400 <br />Suede <br />mg /L <br />1.80 J <br />1.80 J <br />1.80 J <br />1.80 J <br />NA <br />.240 J <br />3.20 <br />NA <br />NA <br />NA <br />- <br />Total dissolved solids (TDS) <br />mg /L <br />2170.00 <br />3620.00 <br />2667.00 <br />265000 <br />3803.00 <br />1700.00 <br />8480.00 <br />2281.00 <br />2100.00 <br />1030.00 <br />2630 <br />Total kleldahl nitrogen (TKN) <br />mg /L <br />1.10 J <br />3.90 J <br />2.11 <br />1.70 <br />1.09 <br />0.41 <br />6.20 <br />3.82 <br />4.50 <br />2.14 <br />- <br />Total organic carbon (TOC) <br />mg /L <br />8.50 <br />14.10 <br />10.93 <br />11.00 <br />1.83 <br />4.80 <br />9.20 <br />7.16 <br />7.10 <br />1.27 <br />Total suspended solids (TSS) <br />mg /L <br />7.20 <br />150.00 <br />40.20 <br />24.00 <br />49.91 <br />4.40 <br />4.40 <br />4.40 <br />4.40 <br />NA <br />- <br />Metals <br />Arsenic (total) <br />ug /L <br />12.00 <br />41.00 <br />18.50 <br />15.00 <br />7.63 <br />15.00 <br />21.00 <br />18.08 <br />18.00 <br />1.60 <br />1 <br />Arsenic (dissolved) <br />ug /L <br />11.00 <br />24.90 <br />15.51 <br />14.00 <br />4.87 <br />15.00 <br />19.30 <br />17.39 <br />17.20 <br />1.42 <br />- <br />Boron (total) <br />ug /L <br />2330.00 <br />8800.00 <br />6313.75 <br />6350.00 <br />2077.42 <br />3700.00 <br />5200.00 <br />4410.71 <br />4350.00 <br />382.33 <br />1340 <br />Boron (dissolved) <br />ug /L <br />6550.00 <br />11000.00 <br />9134.29 <br />9590.00 <br />1661.54 <br />4030.00 <br />5510.00 <br />4638.00 <br />4620.00 <br />465.04 <br />- <br />Cadmium (dissolved) <br />ug /L <br />0.098 J <br />0.85 J <br />0.34 <br />0.14 <br />0.33 <br />0.12 J <br />1.0 U <br />NA <br />NA <br />NA <br />Calcium (dissolved) <br />ug/L <br />78000.00 <br />170000.00 <br />115714.29 <br />110000.00 <br />29831.27 <br />73100.00 <br />100000.00 <br />86720.00 <br />87850.00 <br />8247.67 <br />- <br />Chromium (total) <br />ug /L <br />1.40 <br />4.90 <br />2.97 <br />2.60 <br />1.11 <br />0.37 J <br />2.0 U <br />NA <br />NA <br />NA <br />0.7 <br />Chromium (dissolved) <br />ug /L <br />1.10 J <br />4.60 <br />2.84 <br />2.60 <br />1.29 <br />0.38 J <br />2.0 U <br />NA <br />NA <br />NA <br />- <br />