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r <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />i <br /> <br />~- <br />J <br />~J <br /> <br />i <br />i <br />i <br /> <br />COLORADO - CDPS WET TEST REPORTFORM -CHRONIC <br />PERivIITTEE: Twentymile Coal Co CDPS NO. CO-0036684 OUTFACE: OOIA <br />TYPE TEST: ROUTINE: XX ACCELERATID:_ TEST SPECIES: P.promelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference 75.0% 75.0% Steel's/Dunnett's <br />Pass/Fail Pass N/A <br />ICzs 44.2% 65.8% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIIvIE & DATE START 1140 AM 10/03/00 END 1110 AM 10/] 0/00 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5•/. 21 •/. 50°/. 75•/. 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Da 2 ]00 97.5 100 100 100 97.5 <br />Da 3 100 97.5 100 100 92.5 90.0 <br />Da 4 100 97.5 95.0 100 72.5 75.0 <br />Da 5 100 97.5 92.5 95.0 60.0 57.5 <br />Da 6 100 92.5 90.0 87.5 42.5 35.0 <br />Da 7 100 85.0 85.0 70.0 32.5 30.0 <br /> <br />7 Da Mean Wei t 0.495 0.353 0.443 0.444 0.150 0.095 <br /> <br />H 'mum/I~nimum 8.6/7.8 8.7!1.9 8.4/7.9 8.5/8.1 8.3/8.1 8.4/8.0 <br />RECEIVING WATER USED FOR DII,UTION7 NO TOTAL RESIDUAL Cl' (mg/1): <0.1 <br />HARDNESS (mg/11: REC' V WATER: EFFLUENT: 2378 RECON WATER: 137 <br />ALKALINITY (mg/11: REC' V WATER: EFFLUENT: 295 RECON WATER: 87 <br />TOT. AMMONIA (mg 1U• INITIAL 100%: <I.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 & ENGINEERING CO. <br />~C.c-~^-, ~S~ <br />4/21/00 <br />466 ~~~ <br />ng nal Watermarketl For Your Protection <br />