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Client: Mountain Coal Company CO-0038766 SCG Project No.: 305140 <br />- Site: East Sly Gutch <br />Abstract of Results <br />Test Concentrations: Control (0%), 1.9%, 12.5%, 25%, 50%, 100% <br />20 for Daphnia magna <br />Number of OrganismslConcentration: 40 for Fathead minnows <br />Replicates at each Concentration: 4 <br />Test vessel size <br />Exposure volume <br />LC50's <br />Pass/Fail Status <br />Temperature Range (°C) <br />Dissolved Oxygen Range (ml/I) <br />pH range during test <br />Alkalinity (mg/1 as CaCo,) <br />Hazdness (mg/1 as CaCo,) <br />Total residual chlorine (mg/1) <br />Total ammonia in effluent as NHs (mg/1) <br />Dap/:nia magna Fathead minnow <br />30 ml 250 ml <br />15 ml 200 ml <br />>100% >100% <br />PASS PASS <br />19.0-20.9 19.1-21.0 <br />6.6-8.0 6.3-8.5 <br />8.1-9.0 7.8-9.1 <br />Control <br />(D. Magna/FH1V>) 100% <br /> <br />62/60 1450 <br />88/97 93 <br /><0.01 <0.01 <br /><1.0 <1.0 <br />The SeaCrest Group 4 <br />