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Table 3A <br />• MARCH 1985 SURFACE WATER ANALYSESI <br /> <br />Parameter Upper <br />Coal Gulch Lower <br />Coal Gulch Cherry <br />Gulch Lightner <br />Creek Old Mine <br />Discharge <br />Alkalinity (as CaC0 <br />) 112 119 117 141 4 <br />3 <br />Aluminum 0.6 1.1 1.2 1.4 7.7 <br />-Arsenic <0.002 <0.002 <0.002 <0.002 <0.002 <br />Bicarbonate (as CaC03) 112 119 113 137 4 <br />Boron 0.09 0.09 0.15 0.08 0.21 <br />-Cadmium <0.005 <0.005 <0.005 <0.005 <0.005 <br />Calcium 46 51 53 60 133 <br />Chloride 2 2 2 3 2 3 <br />Conductivity 390 460 420 400 2,230 <br />Copper <0.02 <0.02 <0.02 <0.02 0.03 <br />Fluoride 0.15 0.16 0.09 0.08 0.17 <br />Hardness (as CaCO ) <br />3 210 235 236 208 810 <br />-Iron 0.63 0.97 1.09 2.41 8.18 <br />Lead 0.02 0.02 0.03 0.03 0.02 <br />Magnesium 23 26 25 14 116 <br />-Manganese 0.04 0.12 0.19 0.08 0.30 <br />• Mercury <0.0005 <0.0005 <0.0005 <0.0005 <0.0005 <br />Molybdenum <0.2 <0.2 <0.2 <0.2 <0.2 <br />Nitrogen, Nitrate 0.08 0.14 0.45 0.09 3.68 <br />pH (units) 8.1 8.2 8.4 8.4 4.8 <br />Phosphorus, Ortho 0.06 0.13 0.19 0.24 <0.02 <br />Potassium 2.0 2.4 2.7 2.8 6.3 <br />S.A.R. 0.27 0.43 0.40 0.27 3.44 <br />-Selenium <0.002 <0.002 <0.002 <0.002 <0.002 <br />Sodium 9 15 14 9 222 <br />Solids, Dissolved 270 305 315 255 1,725 <br />Solids, Suspended 122 325 476 322 36 <br />Solids, Volatile 28 34 60 44 <1 <br />Sulfate 91 130 119 70 1,300 <br />.Zinc 0.023 0.031 0.020 0.020 0.214 <br />1 These water sample points are shown on the Mine Facilities Map (Map <br />12) and the Regional Hydrology Map (Map 6). <br />2 (umhos/cm @ 25°C) <br />NOTE: Metals are total recoverable <br />Analyses completed at Bookcliffs Commercial Laboratories in <br />• Steamboat Springs, Colorado <br />2.~~-;-i8~- <br />~ 0 4 i99S <br />