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SeaCrest Project Number. 399182 <br />COLORADO -COPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Peabody Coal CDPS No: CO.0000221 OUTFACE: 002 <br />TYPE TEST: Routine: XX Accelerated: Test Species: Cer/odaphn/a dub/a <br />TEST RESULTS: LC50: >100% <br />STATISTfCA1_ METHOD: ~robit <br />Test Time & Date: Begin: 11:30, May 19, 1999 End: 11:30, May 21, 1999 <br />Dilutions (Percent Effluent) <br />Meawrements Confrd <br />OYe 12.5% 26% 66% 76% 100% XX <br />No. (~ Start of Test 20 20 20 20 2D 20 Xx <br />No. Live after 21 hours 20 20 20 20 20 20 XX <br />No. live after 48 hours 20 20 20 ZO 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: <br />Hardness, mg/L: Receiving Water. NA <br />Alkalinity, mg/L: Receiving Water. NA <br />pH: Initial -Control: 7.8 100°r6: 8.4 <br />Total Ammonia as N, mg/L: Initial - 100% <br />Were All Test Conditions In Conformance <br />No: XX Total Resid. Chlorine, mg/L: 100°k: <0.01 <br />Effluent: 1930 Recon. Water. 90 <br />Effluent: 289 Recon. Water. 49 <br />Final -Control: 7.6 100°~: 8.3 <br /><1.0 Final - 100%: NA <br />With Division Guidelines? Yes <br /> <br />LIST DEVIATIONS FROM TEST SPECIFICATIONS: Effluent aerated prior to test setup. Water <br />supersaturated with dissolved oxygen. <br />LABORATORY: THE SEACREST GROUP <br />COMMENTS: <br />ANALYST'S NAME(S): Felicia Remington <br /> <br />