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• • <br />BOOKCLIFFS COMt•1ERCIAL LABORATORIES <br />WATER ANALYSIS REPORT <br />Client: Walden Coal Company <br />Address: P. O. Box 229 <br />Boulder, CO 80302 <br />Attn: Ms. Kay James <br />Sample I.D. North Weir <br />Oate: 6/Z/83 <br />Sample Date: 5/23/83 <br />Date Received: 5/25/83 <br />Lab No. 83-1386-W <br /> Concentration Concentration <br />Parameter mg/1 Parameter mg/1 <br />Alkalinity (as CaC03) 268 Manganese 0.34 <br />Aluminum 2.3 Mercury <0.001 <br />Arsenic <0.002 Molybdenum <0.2 <br />Bicarbonate (as CaC03) 268 Nitrogen, Nitrate 0.20 <br />Boron 0.61 pH (units) 8.0 <br />Cadmium 0.005 Phosphorus, Ortho 0.08 <br />Calcium 98 Potassium 8.1 <br />Chloride 11 SAR** 6.17 <br />Conductivity* 2,130 Selenium 0.002 <br />Copper <0.02 Sodium 300 <br />Fluoride 0.14 Solids, Dissolved 1,320 <br />Hardness (as CaC03) 460 Solids, Suspended 420 <br />Iron 3.32 Solids, Volatile 24 <br />Lead 0.04 Sulfate 936 <br />Magnesium 52 Zinc 0.019 <br />*(umhos/cm @ 25° C) <br />** (Requires Ca,Mg,Na)(No units) <br />NOTE: Metals are Total Recoverable <br />Ralph V. Poulsen, Director <br />t~~ <br />800ItGI~IP~S <br />............ ...o...o.... <br />