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COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE Bear Coal Mlne CDPS NO. CO-0044377 OUl'FALL 001 <br />TEST TYPE ROUTINE XX ACCEL PRATED _ TEST SPECIES Daphnia magna <br />TEST RESULTS LETHALITY <br />LC50 '100% <br />PasslFail Pass <br />PEST TIME 8 DATE START Seot 13. 2008 AND Seoi. 15. 2006 <br />1'.30 PM t 30 PA9 <br />DILUTION (°k EFFLUENT) <br />MEASUREMENTS <br />2a-noun CONTROL <br />100 8.50% <br />100 73.OOS6 <br />100 25.00'/. <br />100 50.00°,i, <br />100 100% <br />100 <br />8-hour 100 t00 100 100 100 100 <br /> <br />H MaxfmumlMinlmum 8.24 8.29 8.33 8.45 8.58 8.74 <br /> <br />RECEIVING WATER USED FOR pILUTI0N7 NO <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WIT H DIVISION GUIDELINES? YES <br />IF NO. LIST ALL DEVIATIONS. <br /> <br />HARpNESS Ih7G/L1 EFFLUENT. 266 HARP WATER 233.5 <br />ALKALINITY (MG/L) EFFLUENT 1822 HARD WATER. 878 <br />T AMMONIA (MG/L) INITIAL EFFLUENT <7.0 FINAL EFFLUENT. <1.0 <br />T RESIDUAL CHLORINE (MGIL) EFFLUENT <0.02 ,~ <br />LABORATORY ENVIRO-CHEM ANALYTICAL, INC. ANALYST -y=~'7~/L~1CY~~ <br />