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Mountain Coal Company CO-0038776 SeaCrest Number: 304016 <br />ABSTRACT OF RESULTS <br />Test Concentrations: Control, 100%, 50%, 25%, 12.5%, 1.9% <br />Number of organisms in each concentration: 20 for D. magna, 40 for fathead minnows <br />Replicates at each concentration: 4 <br /> Daphnia magna Fathead <br /> minnows <br />Test vessel size 30 ml 260 ml <br />Exposure volume: 20 ml 200 ml <br />LC50 concentration: >100% >100% <br />Pass/Fail Status: Pass Pass <br />Temperature range (°C): 19.3-21.0 19.3-21.0 <br />Dissolved oxygen range (ml/I): 7.4-8.3 4.5-8.4 <br />pH range during test: 7.9-9.0 7.3-8.8 <br /> Control 100% <br />Alkalinity (mg/I as CaCO,): 56/60 1886 <br />Hardness (mg/I as CaCO,): 90/87 43 <br />Total residual chlorine (mg/I): '" <0.01 <br />Total ammonia in efFluent (mg/I): "` 1.09/<1.0 <br /> initial/final <br />'* Not analyzed. No chlorine or ammonia used in reconstituted water formulation. <br />The SeaCrest Group 6 <br />