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SeaCrest Project Number: 303369 <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: Daphnia magna <br />TEST RESULTS: LC50: 63.7% STATISTICAL METHOD: Binomial <br />Test Time & Date: Begin: 15:15, October 17, 2003 End: 14:15, October 19, 2003 <br />Dilutions (Percent Effluent) <br />Measurements Control <br />(0% 1.9% 12.5% 25% 50% 100% NA <br />No. @ Start of Test 20 20 20 20 20 20 XX <br />No. Live after 24 hours 20 20 20 19 18 11 XX <br />No. Live after 48 hours 20 19 20 17 14 3 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: 53 Recon. Water: 91 <br />Alkalinity, mg/L: Receiving Water: NA Effluent: 1781 Recon. Water: 66 <br />pH: Initial -Control: 7.9 100%: 8.2 Final -Control: 7.9 100%: 8.9 <br />Total Ammonia as N, mg/L: Initial - 100%: <1.0 Final - 100°I°: NA <br />Were All Test Conditions In Conformance With Division Guidelines? Yes <br />lF NO, LIST DEVIATIONS FROM TEST SPEGIFIGATIONS: <br />LABORATORY: THE SEACREST GROUP <br />COMMENTS: <br />nr:+=,4- ~.:.~;--- a .~~ . ; <br />-. <br /> <br />SIGNATURE/DATE: <br />