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COLORADO-CDPS WET TEST REPORT FORM - CHRONIC <br />PERMITTEE:CWrus Yampa Valley Coal Corp. CDPS NO. CO -0027154 OUTFALL:001 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES:P.promelas IWC: 100% <br />TEST RESULTS: LETHALITY GROWTH REPRODUCTION <br />CONC.WITH STAT. <br />DIFFERENCE 75.0 % 75.0 % % <br />PASS/FAIL FAIL NA <br />IC25 61.0 % 58.9 % % <br />PASS/FAIL FAIL NA <br />5'1'A'1'. MB:'1'HUll U5N:U: 5'1'A'1'15'1'1 UHL UlY'tr'.:Ul]nneCC'S 1CLS: HOOL6CraD <br />DATE: START 3 :OOpm/2-9-99 END 1 :45pm/2 -16-99 <br /> <br /> <br /> DILUTION (% EFFLUENT) <br /> <br />MEASUREMENTS CONTROL(0%) 12.5 % 25 °s 50 % 75 % 100 % <br />% SURVIVAL FOR DAY 1 100 100 100 100 100 100 <br /> 2 100 97.5 100 100 80.0 52.5 <br /> 3 100 97.5 100 95.0 80.0 32.5 <br /> 4 97.5 92.5 100 92.5 77.5 10.0 <br /> 5 95.0 92.5 97.5 92.5 47.5 7.5 <br /> 6 90.0 90.0 97.5 92.5 42.5 2.5 <br /> 7 90.0 90.0 97.5 92.5 40.0 2.5 <br />MEAN 3 BROOD TOTAL: <br />7 d MEAN DRY WEIGHT: . 568 .574 .584 .558 .205 .007 <br />PH MAX/MIN: 8_ 6/7_5 8_3/7_8 8_3/7_8 8_3/7_7 8_1/7_ 8 8_1/7_7 <br />HARDNESS (X) MG/L RECEIVING WATER: EF FLUENT: 2340 RECON WATER: 113 <br />ALKALINITY (X) MG/L RECEIVING WATER: EFFLUENT: 402 RECON WATER: 83 <br />T. AMMONIA as N (X) MG/L INITIAL EFFLUENT: <1.0 FINAL EFFLUENT:<1.0 <br />T.RESIDUAL CHLORINE, MG/L 100%: <0.1 RECEIVING WATER USED FOR DILUTION? NO <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY:Commercial Testing & Engineering ANALYST: Chris Theel <br />COMMERCIALTESTING & ENGIN EE RING CO. <br />al CaOY Wdle~me~M eE <br />