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SeaCrest Project Number: 301046 <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Seneca Coal Mine CDPS No: CO-0000221 OUTFACE: 010 <br />TYPE TEST: Routine: XX Accelerated: Test Species: Ceriodaphnia dubia <br />TEST RESULTS: LC50: >100°h <br />STATISTICAL METHOD: Probit <br />Test Time 8 Date: Begin: 11:30, February 6, 2001 End: 11:30, February 8, 2001 <br />Dilutions (Percent Effluent) <br />Measurements Control <br />0% 12.5Ye 25Ye 50% 75Ye 100% XX <br />No. ~ Start of Test 20 20 20 20 20 20 XX <br />No. Live after 24 hours 20 20 20 20 20 20 XX <br />No. Live after 46 hours 19 20 20 20 20 20 XX <br />No. Live after 72 hours XX XX XX XX XX XX XX <br />No. Live after 96 hours XX XX XX XX XX XX XX <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: 1122 Recon. Water: 89 <br />Alkalinity, mg/L: Receiving Water: NA Effluent: 310 Recon. Water: 54 <br />pH: Initial -Control: 8.0 100%: 7.4 Final -Control: 8.0 100%: 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 />LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: THE SEACREST GROUP <br />COMMENTS: <br />ANALYST'S NAME(S): Geoff Henderson, DeAnne Schindler <br />SIGNATURE/DA <br />