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COLORADO - CDPS ~~'ET TEST REPORT FORI\9 -CHRONIC <br />PERMITTEE: Twentymile Coal Co. CDPS NO. CO-0027154 OUTFACE: 007 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: P.promelas <br />TEST RESULTS LETHALITY GROWTH STATLSTICAL METHOD <br />Concentration with Statistical Difference >] 00% >] 00% Steel's Man -One Rank <br />Pass/Fail Pass NIA <br />ICz3 >100% >100% BOOtSVB <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 1345 PM 06/26/0] END 1250 PM 07/03/01 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% 100% <br />Da 1 % Survival 100 97.5 100 100 100 l00 <br />Da 2 100 97.5 97.5 ] 00 100 100 <br />Da 3 100 90.0 97.5 97.5 95.0 97.5 <br />Da 4 ] 00 87.5 95.0 92.5 95.0 97.5 <br />Da 5 ]00 82.5 82.5 87.5 95.0 97.5 <br />Da 6 100 82.5 77.5 80.0 95.0 97.5 <br />Da 7 ] 00 80.0 77.5 72.5 90.0 97.5 <br /> <br />7 Da Mean D Wei ht 0.851 0.709 0.746 0.672 0.863 1.012 <br /> <br />H (MaximumMlinimum 8.5/7.7 8.4/7.7 8.3/7.8 8.3/7.8 8.6/7.9 8.6/8.0 <br />RECEIVING WATER USID FOR DII.UTION? NO TOTAL RESIDUAL Cl' (mg/1): <0.1 <br />HARDNESS (mg/1): REC'V WATER EFFLUENT: 1722 RECON WATER: 115 <br />ALKALII~TITY (mph): REC'V WATER: EFFLUENT: 100 RECON WATER: 85 <br />TOT AMMONIA (mil): INITIAL 100%: .121 FINAL 100%: <1.0 <br />WERE ALL TEST CONDTI'IONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: _ /~ <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: ~~ ~`~'~' <br />4/14(99 <br />COMMERCIAL TESTING & ENGINEERING CO. <br />Lrio~nai Lopy waiermarxec ~~~ <br />For Your Prorechon <br />