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COLORADO - CDPS W ET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Seneca Coal Company CDPS NO. CO-0000221 OUTFACE: 004 <br />TYPE TEST: ROUTINE XX ACCELERATED:- TEST SPECIES: ~romela.c <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical DitTerence 25% 7.8% Steel's Man -One Rant: <br />Pass/Fail Pass N/A <br />ICzs >100% 5.47°'o Bootstra <br />Pass/Fail Pass N/A <br />TEST TQvIF & DATE START 1410 PM 10/02/01 END 1210 PM 10/09/01 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 7.8% 25% 50"/0 75% 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Day 2 100 100 100 100 100 100 <br />Da 3 100 100 100 100 100 100 <br />Da 4 100 95.0 97.5 100 80.0 100 <br />Da 5 100 95.0 92.5 100 62.5 100 <br />Da 6 100 95.0 80.0 97.5 62.5 95.0 <br />Da 7 100 95 0 80.0 95.0 60.0 95.0 <br /> <br />7 Da Mean D Wei ht 0.872 0.561 0.471 0.616 0.391 0.608 <br /> <br />H (Maximum/Minimum) 8.5/7.8 8.4/8.0 8.3/7.9 8.4/8.1 8.5/8.0 8.6/7.9 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI- (mg/I): <0.1 <br />HARDNESS me Y REC'V WATER EFFLUENT 2388 RECON WATER 117 <br />ALKALINIITY Le/I) REC'V WATER: EFFLUENT: 97 RECON WATER: 90 <br />TOT AMMONIA~me/I) IMTIAL 100%' <I 0 FINAL 100% <I.0 <br />WERE ALL TEST CONDITIONS IN CONFORn4ANCE WITH DIVISION GUIDELINES? YES <br />(F NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY COMMERCIAL TESTWG Rc ENGINEERING ANALYST: <br /> <br />4/14/99 <br />COMMERCIAL TESTING & ENGIN EERING CO. <br />Origmai CoOY "r'aiermaiFad <br />For Your Proter,L°n <br />F<66 <br />LTA <br />