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Mountain Coal Company CO-0038776 SeaCrest Number: 303130 <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 />Temperature range (°C): 19.9-21.0 19.0-21.0 <br />Dissolved oxygen range (ml/I): 5.9-7.6 5.1-7.2 <br />pH range during test: 8.0-9.1 7.6-8.9 <br /> Control 100% <br />Alkalinity (mg/I as CaCO,): 87/69 2259 <br />Hardness (mg/I as CaCO,): 85/93 43 <br />Total residual chlorine (mg/I): <0.01 <br />Total ammonia in effluent (mg/I): <br />* Ammonia meter out-of-order, Replacement probe on order. <br />" Not analyzed. No chlorine or ammonia used in reconstituted water formulation. <br />The SeaCrest Group 6 <br />