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SeaCrest Project Number. 399314 <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: Cerlodaphnia dubia <br />TEST RESULTS: LC50: >100% <br />STATISTICAL METHOD: Probit <br />Test Time & Date: Begin: 11:00, August 13, 1999 End: 11:00, August 15, 1999 <br />Dilutions (Percent Effluent) <br />Meawremenfs Contrd <br />OX 12.5X 25X 50Y. 75% 100X %X <br />No. @ Start or Tart 20 2D 20 20 20 20 XX <br />No. Live after 24 houre 20 20 20 20 20 20 XX <br />No. Uve attar 48 boos 20 20 20 20 20 20 XX <br />No. Live otter 72 boos XX 7CX XX XX XX XX ~( <br />No. Live after 9e hours XX XX JO( 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: 2162 Recon. Water. 90 <br />Alkalinity, mg/L: Receiving Water. NA Effluent: 89 Recon. Water: 36 <br />pH: Initial -Control: 7.7 100%: 8.6 Final -Control: 7.9 100%: 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 />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: THE SEACREST GROUP <br />COMMENTS: <br />ANALYST'S NAME(S): JeH Hamilton, Felicia Remington <br />