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<br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />i <br />COMMERCIAL TESTING & ENGINEERING CO. <br />4/21/00 <br />COLORADO - CDPS WET TEST REPORT FORM -CHRONIC <br />PERMIITEE: Twentymile Coal Co. CDPS NO. CO-0036684 OUTFACE: OOIA <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: P~romelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference >100% >]00% Steel's/Dunnett's <br />Pass/Fail Pass N/A <br />ICns >I00% >]00% Bootstra <br />PasslFail Pass N/A <br />TEST T11vIE & DATE START 1145 AM 08/08/00 END 1000 AM 08/15/00 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 21% 50% 75% 100% <br />Da 1 %Survival ]00 l00 100 100 100 100 <br />Da 2 100 100 100 100 100 45,0 <br />Da 3 100 100 100 100 100 92.5 <br />Da 4 100 100 97.5 100 100 92.5 <br />Da 5 100 97.5 97.5 100 100 87.5 <br />Da 6 100 95.0 97.5 100 95.0 85.0 <br />Da 7 100 95.0 97.5 100 92.5 85.0 <br /> <br />7 Da Mean D Wei ht 0.574 0.589 0.621 0.649 0.587 0.522 <br /> <br />H aximum/Minimum 8.5/8.0 8.6/8.1 8.4/8.2 8.5/8.1 8.3/8.0 8.2/8.0 <br />RECEIVING WATER USED FOR DII,UTION7 NO TOTAL RESIDUAL CI' (mg/I): <0. I <br />HARDNESS (mg/11 REC'V WATER• EFFLUENT: 2575 RECON WATER: 117 <br />ALKALINITY (mg~l): REC' V WATER: EFFLUENT 327 RECON WATER• 82 <br />TOT. AMMONIA (mg/11' 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 />/~ .-. <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: (i~-u- ~~'~`'`-"' <br />486 <br />rigina~ Watermarketl For YOtl1 Protection <br />