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SeaCrest Project Number. 300508 <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Seneca Coal Mine CDPS No: 00.0000221 OUTFACE: 010 <br />TYPE TEST: Routine: XX Accelerated: Test Species: Ceriodaphnia du6ia <br />TEST RESULTS: LC50: >100% <br />STATISTICAL METHOD: Probit <br />Test Time & Date: Begin: 12:10, November 15, 2000 End: 12:00, November 17, 2000 <br />Dilutions (Percent Effluent) <br />Measurements Control <br />OY. 72.SYe 25Ye 50Ye 75Y. t00Y. XX <br />No. ~ Start of Test 20 20 20 20 20 20 XX <br />No. Uve after 24 hours 20 20 19 20 18 20 XX <br />No. Live after 48 hours 19 20 19 2D 1 B 20 XX <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 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: 908 Recon. Water: 90 <br />Alkalinity, mg/L: Receiving Water: NA EfFluenl: 102 Recon. Waler. 54 <br />pH: Initial -Control: 7.8 100%: 8.3 Final -Control: 7.6 100%: 8.1 <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: Effluent aerated prior to test setup -dissolved oxygen supersaturated in sample. <br />ANALYST'S NAME(S): Stacey <br />SIGNATURE/DA' <br />