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SeaCrest Project Number. 300101 <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Peabody Coal CDPS No: CO-0000221 OUTFACE: 005 <br />TYPE TEST: Routine: XX Accelerated: Test Species: Daphnia magna <br />TEST RESULTS: LC50: >100% <br />STATISTICAL METHOD: Probit <br />Test Time & Date: Begin: 10:30, March 14, 2000 End: 10:30, March 16, 2000 <br />Dilutions (Percent Effluent) <br />Meawremente Control <br />0% 12.5°,6 25% 50X 75Y° 100Y° XX <br />No. (d1 Start of Test 20 20 20 20 20 20 XX <br />No. Live after 24 hours 20 20 20 19 20 20 XX <br />No. Live after 48 hours 19 18 19 19 20 20 10( <br />No. Live after 72 hours XX XX XX XX XX XX XX <br />No. Live after 98 hours XX XX XX XX XX XX Xl( <br />Receiving Water Used for Dilution: Yes: No: XX Total Resid. Chlorine, mg/L: 100%: <0.01 <br />Hardness, mg/L: Receiving Water. NA Effluent: 1610 Recon. Water. 90 <br />Alkalinity, mg/L: Receiving Water. NA Effluent: 133 Recon. Water. 47 <br />pH: Initial -Control: 7.8 100%: 8.1 Final -Control: 7.8 100%: 8.3 <br />Total Ammonia as N, mg/L: Initial - 100%: <1.0 Final - 100%: NA <br />Were All Test Conditions In Conformance With Division Guidelines? Yes <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: THE SEACREST GROUP <br />COMMENTS: <br />ANALYST'S NAME(S): Geoff Henderson, Rachel Grimmer <br />SIGNATURE/DA' <br />