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~ _. <br />COLORADO - CDPS W ET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Cyprus Twenl~rmle CCoal Company CDPS NO. CO-0042161 OUTFACE: 001 <br />TYPE TEST; ROUTIlVE: XX ACCELERATED: TEST SPECIES: P_promelas <br />TEST RESULTS LETHALTI'Y GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference 100% 100% Steel's Man -One Rank <br />Pass/Fail Pass N/A <br />ICzs 76.8% 75.4% Bootstra <br />Pass/Fail Pass N/A <br />TEST T1ME & DATE START 0715 AM 06/16/99 END 0825 AM 06/23/99 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 47% 75% 100% <br />Da 1 % Survival i00 100 100 100 100 100 <br />Da 2 ]0~0 100 100 100 87.5 70.0 <br />Da 3 10'0 100 100 100 85,0 65.0 <br />Da 4 100 100 I00 100 82.5 55.0 <br />Da 5 100 i00 100 100 82.5 50.0 <br />Da 6 100 100 100 97.5 80.0 47.5 <br />Da 7 100 100 100 97.5 77,5 42.5 <br /> <br />7 Da Mean D Wei ht 0.529 0.511 0.583 0.534 0.409 0.160 <br /> <br />H (Maximum/Minimum 8.617,7 8.7/8,1 8.618.2 8.8/8.4 8.8/8.4 8.8/8.4 <br />RECEIVING WATER USED FOR IILUTION? NO TOTAL RESIDUAL CI' (mg/I): <0.1 <br /> <br />HARDNESS (mg(Il: REC'V WATER: EFFLU ENT' 722 RECON WATER 108 <br />ALKALII~TITY (mp/l)• REC'V WATER• EFFLUENT• 947 RECON WATER• 87 <br />TOT AMMONIA (rr~~: INITIAL 100%' Fs5 0 FINAL 100%' X4.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUmELiNES7 <br />IF NO, LIST DEVIATIONS FROM 'BEST SPECIFICATIONS: Fathead minnow test was initiated one day <br />later than C.dubia due to shipping problems. It was, however, initiated within the 48-hour time limit. <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: ('~/~,...;~---a- <br />4/14!49 <br />I Original Capy Wele°nerkeC <br />For Your PmloCllon <br />COMMERCIAL TESTING ~ ENGINEERING CO. <br /> <br />