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COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: West Elk Mine CDPS NO. CO-0038778 OUTFACE: 017 <br />TEST TYPE: ROUTINE XX ACCELERATED _ TEST SPECIES: Daphnia magna <br />TEST RESULTS LETHALITY <br />LC50 >100% <br />Pass/Fail Pass <br />TEST TIME 8 DATE <br />START Jan. 16. 2007 END <br />10:30 AM <br />DILUTION (°k EFFLUENT) <br />Jan. 18. 2007 <br />10:30 AM <br />MEASUREMENTS CONTROL 6.50°h 13.00% 25.00% 50.00% 100% <br />24-hour 100 100 100 100 100 100 <br />8-hour 100 100 10D 100 100 100 <br /> <br />H Maximum/Minimum 8.36 8.33 8.38 8.38 8.32 8.29 <br />RECEIVING WATER USED FOR DILUTION? NO <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST ALL DEVIATIONS: <br />HARDNESS (MG/L) EFFLUENT: 28.97 <br />ALKALINITY (MG/L) EFFLUENT: 1902 <br />T. AMMONIA (MGlL) INITIAL EFFLUENT: <1.0 <br />T.RESIDUAL CHLORINE (MGlLj EFFLUENT: 0.026 <br />LABORATORY: ENVIRO-CHEM ANALYTICAL, INC, <br />HARD WATER: 238.8 <br />HARD WATER: 1370 <br />FINAL EFFLUENT: <7.0 <br />ANALYST: <br />