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<br />r <br />COLORADO - CDPS W ET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Cyprus Twenrimile Coal Co. CDPS NO. CO-0036684 OUTFACE: 001 A <br /> <br /> <br />r <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />COMMERCIAL TE STING 8 ENGINEERING CO. <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: P.promelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference >100% 75% Steel's Man -One Rank <br />Pass/Fail Pass N/A <br />ICzs 75.0% 64.6% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIIv1E & DATE START 0950 AM 08/31/99 END 0855 AM 09/07/99 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 21% 50% 75% 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Da 2 100 100 100 100 100 100 <br />Da 3 100 100 100 100 100 100 <br />Da 4 100 100 100 100 97.5 92.5 <br />Da 5 100 100 100 100 85.0 72.5 <br />Da 6 100 100 100 97.5 80.0 72.5 <br />Da 7 100 100 100 95.0 75.0 67.5 <br /> <br />7 Da Mean D Wei ht 0.480 0.414 0.475 0.467 0.294 0.217 <br /> <br />H (Maximum/Minimum 8.3/7.8 8.4/8.0 8.3/7.9 8.3/8.0 8.3/7.9 8.3/7.8 <br />RECEIVING WATER USED FOR DII,UTION? NO TOTAL RESmUAL CI" (mgJl): <0.1 <br />HARDNESS (mg/I): REC'V WATER: EFFLUENT: 1603 RECON WATER: 118 <br />ALKALINPI'Y (mg/I): REC'V WATER: EFFLUENT 272 RECON WATER: 80 <br />TOT. AMMONIA (~~: INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />IF NO, LIST DEVIATIONS FROM TEST SPECffICATIONS: <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: (,~-~--•_~~-~ <br />4/14/99 <br />~F ~ LTA <br />Original Watermarked Foy Your Grolection <br />