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January ]998 Km Coa! Company • ]997Anrsual Hydrology Report ' CO Permit No. C80~006 116 <br />u <br />• <br />• <br />TABLE 6 <br />SITE AP-1 <br />HISTORIC LOADOUT AREA ALLUVIAL WATER QUALITY DATA <br />Parameters 1993 1994 1995 1996 1997 <br />Tem 1°CI 9.9 9.1 7.7 8.7 8.6 <br />H Isul 8.3 7.9 7.5 7.6 7.8 <br />E.C. lumho/cml @ 20° C 388• 429 467 467 500 <br />TDS 289 292 349 340 363 <br />SAR lin water) 0.52 0.53 0.49 0.53 0.53 <br />Calcium Idissolved) 46 46 53 53.5 55.3 <br />Sodium Idissolved) 20 20 20 21.6 22.1 <br />Ma nesium Idissolved) 41 40 47 45.3 47.8 <br />Potassium (dissolved) 1 0 < 1 0.8 1.2 <br />Sulfate 20 22 47 30.3 36.7 <br />Chloride 3 4 3 6.7 9 <br />Carbonate las CaC03) 8 0 <2 <2 <2 <br />Bicarbonate (as CaC031 298 289 317 305 324 <br />Fluoride 0.6 0.6 0.5 0.55 0.6 <br />Nitrate-Nitro en Idissolved) 0.03 0.02 0.06 0.03 <0.02 <br />Iron (dissolved) 0.16 0.20 0.54 0.34 0.09 <br />Man anese Idissolved) 0.65 0.41 0.55 0.591 0.918 <br />Aluminum Idissolved) <0.05 0.11 0.12 0.08 <0.03 <br />Barium Idissolved) 0.09 0.10 0.10 0.09 0.09 <br />Boron Idissolved) 0.04 0.04 0.04 0.04 0.05 <br />Cadmium Idissolved) 0.006• <0.005 <0.005 <0.003 <0.003 <br />Chromium Idissolved) <0.01 <0.01 <0.01 <0.01 <0.01 <br />Co er (dissolved) <0.01 <0.01 <0.01 <0.01 <0.01 <br />Lead Idissolved) 0.02 <0.02 <0.02 <0.02 <0.04 <br />Mercur Idissolved) <0.0001 <0.0002 <0.0002 <0.0002 <0.0002 <br />Mol bdenum Idissolved) 0.03 0.02 <0.01 <0.01 <0.01 <br />Nickel (dissolved) <0.02 <0.02 <0.02 <0.01 <0.01 <br />Phos horns lortho dissolved) <0.01 <0.01 <0.005 0.03 <0.005 <br />Vanadium Idissolved) <0.01 <0.01 <0.01 <0.005 <0.005 <br />Notes: All values in mg/I unless otherwise noted. <br />All values represent mean annual values. <br />• Indicates the mean includes a result from the sample collected 4/29/93 which is anomalous <br />based on com orison with rior and subse uent sam les. <br />~eiri,Ib ANNl1AL.RITHYDAO FNL TmaMatru/nc.'P.O. Boz 774078 `Steamboat $pringt, Colorado 80477'(970)879-626016 <br />