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SeaCrest Project Number: 304016 <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Mountain Coal CDPS No: CO-0038776 OUTFACE: 017 <br />TYPE TEST: Routine: XX Accelerated: Test Species: Pimephales promelas, 13 days old <br />TEST RESULTS: LC50: >100% STATISTICAL METHOD: Probit <br />Test Time & Date: Begin: 10:45, January 15, 2004 End: 11:05, January 19, 2004 <br />Dilutions (Percent Effluent) <br />Measurements Control <br />()% 1.9% 12.5% 25% 50% 100% NA <br />No. @ Start of Test 40 40 40 40 40 40 XX <br />No. Live after 24 hours 40 40 40 40 40 40 XX <br />No. Live after 48 hours 40 40 40 40 40 38 XX <br />No. Live after 72 hours 40 40 40 40 40 34 XX <br />No. Live after 96 hours 39 39 40 38 40 32 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: 43 Recon. Water: 93 <br />Alkalinity, mg/L: Receiving Water: NA Effluent: 1886 Recon. Water: 65 <br />pH: Initial -Control: 8.1 100%: 8.2 Final -Control: 7.5 100%: 8.8 <br />Total Ammonia as N, mg/L: Initial - 100%: 1.09 Final - 100%: <1.0 <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): Amy de lye Chica, Brandi Morrigan <br />SIGNATURE/DATE: ~~~i~i /O . ~ ~ ~~s~d <br />