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I <br />_I <br />_I <br />_I <br />J <br />_I <br />_I <br />_I <br />_I <br />COLORADO - CDPS W ET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Twentymile Coal Company CDPS NO. CO-0042161 OUTFACE: 001 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: C. d~ibiu <br />TEST RESULTS LETHALITY REPRODUCTION STATISTICAL METHOD <br />Concentration with Statistical Difference 75% 25% Fisher/Dunnett's <br />PasslFail Pass N/A <br />IC23 51.7% 19.5% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 1155 AM 05/22/01 END 1015 AM 05/30/01 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 47% 75% 100% <br />Da 1 % Survival 100 100 100 100 70 0 <br />Da 2 100 100 100 100 0 0 <br />Da 3 100 100 90 100 0 0 <br />Da 4 100 100 90 100 0 0 <br />Da 5 ]00 100 90 100 0 0 <br />Da 6 100 100 90 100 0 0 <br />Da 7 100 100 90 90 0 0 <br /> <br />Mean 3 Brood Total 19.4 15.8 12.0 7,2 0.0 0.0 <br /> <br />H Maximum/Minimum 8.518.2 8.818.5 8.9/8.5 9.0/8.4 8.9/8.8 8.9/8.8 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI" (mg/I): <0.1 <br />HARDNESS C'>?g~)~ REC'V WATER EFFLUENT 573 RECON WATER: 125 <br />ALKALINITY ~m~l. REC'V WATER EFFLUENT: 978 RECON WATER: 87 <br />TOT AMMONIA~mpJll INITIAL 100%' :.A 0 FINAL 100%: X3.0 <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 />`\ <br />~."1 <br />4/14/00 <br />COMMERCIAL TESTING & ENGIN EE RING CO. <br />Dnginal Copy Waieimerkarl ~~~ <br />. For Your Prplectign <br /><66 <br />