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~ qun.ccLt <br />COLORADO - CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Twentymile Coal Co. CDPS NO. CO-0036684 OUTFACE: OOIA <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: C. dubia <br />TEST RESULTS LETHALITY REPRODUCTION STATISTICAL METHOD <br />Concentration with Statistical Difference >100% 50% Fisher/Steel's <br />Pass/Fail Pass N/A <br />ICzs >100% 34.9% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 1205 PM 05/22/01 END 1040 AM 05/30/01 <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 4 100 100 100 100 100 100 <br />Da 5 100 100 100 100 100 100 <br />Da 6 100 100 100 100 100 100 <br />Da 7 90 100 100 100 100 100 <br /> <br />Mean 3 Brood Total 23.9 20.5 21.3 14.7 12.8 6.1 <br /> <br />H Maximum/Minimum 8.8/8.2 8.6/8.3 8.6/8.2 8.4/8.1 8.2/8.1 8.2/8.0 i, <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL Cl' (mg/1): <0.2 <br />HARDNESS (mil): REC' V WATER• EFFLUENT 2188 RECON WATER: 125 <br />ALKALINITY (mg/1)~ REC'V WATER• EFFLUENT: 325 RECON WATER: 87 <br />TOT AMMONIA ~~1)• 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 />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />C~ <br />COMMERCIAL TESTING & ENGINEERING CO. <br />Jnginal Gopy Wa~ermarkeE ~~~ <br />For Yaur Prplxllon <br />B6 <br />