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1 <br />1 <br /> <br />COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Twentymile Coal Co CDPS NO. CO-0027 ] 54 OUTFACE: 001 <br />TYPE TEST: ROUTINE: XX ~CCELERATED:_ TEST SPECIES: P. promelus <br />TEST RESULTS LETHALITY GROWTH STATLSTICAL METHOD <br />Concentration with Statistical Difference >]00% >]00% Steel's/Dunnett's <br />Pass/Fail Pass N/A <br />ICss >100% >100% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 1140 AM 03/27/01 END 1000 AM 04/03/0] <br />DILUTION (% EFFLUENT) <br /> <br /> <br />M <br /> <br /> <br /> <br /> <br /> <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Da 2 ]00 100 100 ]00 100 100 <br />Da 3 100 ] 00 100 97.5 100 100 <br />Da 4 100 ]00 100 97.5 ]00 95.0 <br />Da 5 100 100 ] 00 95.0 95.0 95.0 <br />Da 6 100 100 97.5 92.5 90.0 92.5 <br />Da 7 100 100 97.5 85.0 87.5 92.5 <br /> <br />7 Da Mean D Wei ht 0.512 0.583 0.439 0.437 0.479 0.579 <br /> <br />H(Maximum/Minimum 8.5/7.8 8.4(8.0 8.4!8.2 8.518.] 8.418.0 8.3!7.9 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL Cl~ (mgll): <0. ] <br />HARDNESS (mg~/I): REC'V WATER: EFFLUENT: ]497 RECON WATER ]28 <br />ALKALIATITY(mg/I~REC'V WATER: EFFLUENT: 315 RECON WATER' 87 <br />TOT. AMMONIA (m¢Jll: INITIAL 100%: <1.0 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: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COMMERCIAL TESTING 8 ENGINEERING CO. <br />`_ <br />4/14/00 <br />~-~ Ltd <br />nginal Watermarketl For Your Protec°on s « a <br />