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Mountain Coal Company SeaCrest Number: 399127 <br />ABSTRACT OF RESULTS <br />Test Concentrations: Control, 100%, 50%, 25%, 12.5%, 1.9% <br />Number of organisms in each concentration: 20 <br />Replicates at each concentration: 4 <br />Site Identification: West Elk Mine, #013 <br />Daphnia magna Fathead <br /> minnows <br />Test vessel size 30 ml 260 mf <br />Exposure volume: 20 ml 200 ml <br />LC50 concentration: >100% >100% <br />Temperature range (°C): 19.4-20.5 19.2-21.0 <br />Dissolved oxygen range (ml/I): 7.4-8.8 4.9-7.4 <br />pH range during test: 7.4-9.0 7.6-9.1 <br /> Control 100% <br />Alkalinity (mgA as CaCO,): <br />Daphnia magna test 39 1857 <br />Fathead minnow test 61 1850 <br />Hardness (mg/I as CaCO,): <br />Daphnia magna test 89 102 <br />Fathead minnow test 87 76 <br />Total residual chlorine (mg/I): <br />Daphnia magna test " <0.01 <br />Fathead minnow test <0.01 <br />Total ammonia in effluent (mg/I): <br />Daphnia magna test <1.0 <br />Fathead minnow test <1.0 <br />"Not analyzed. No chlorine or ammonia used in reconstituted water formulation <br />The SeaCrest Group 6 <br />