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Mountain Coal Company CO-0038776 SeaCresf Number: 303369 303385 <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: 63.7% >100% <br />Pass/Fail Status: Fail Pass <br />Temperature range (°C): 19.3-20.9 19.0-21.0 <br />Dissolved oxygen range (ml/I): 7.0-8.9 5.7-7.3 <br />pH range during test: 7.9-8.9 7.4-8.8 <br /> Control 100% <br />Alkalinity (mg/I as CaCO,): 66/60 1781 <br />Hardness (mg/I as CaCO,): 91!87 53 <br />Total residual chlorine (mg/1): ** <0.01 <br />Total ammonia in effluent (mg/I): ** <1.0 <br />~••• •,'1. L`~ ~..-.aw`SYe::::~. .\.1 w~n.w. 4i:~+l: Gei l~~iiV [~iG I3v ViAS' jei i~vlli ir~:~_L'i~(~ Y 3'S i5'it }\i4 iv~.~1~-• fiJ~i. <br />The SeaCresf Grnup <br />