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<br /> <br />COLORADO - CDPS W ET TEST REPORT FORM -CHRONIC <br />PERMTITEE: Cvarus Twentymile Coal Company CDPS NO. CO-0042161 OUTFACE: 001 <br /> <br /> <br /> <br /> <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: C. cbrbia <br />TEST RESULTS LF}~'HALITY REPRODUCTION STATISTICAL METHOD <br />Concentration with Statistical Difference 75% 75% Fisher/Steel's <br />Pass/Fail Pass N/A <br />ICly 51.2% 63.9% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 0955 AM 09/21/99 END 0815 AM 09/29/99 <br />DILUTION (% EFFLUENT) <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br />MEASUREMENTS CONTROL 12.5% 25% 47% 75% 100% <br />Da 1 % Survival 100 100 100 100 100 30 <br />Da 2 100 100 100 100 50 30 <br />Da 3 100 100 100 100 50 20 <br />Da 4 100 100 100 100 40 20 <br />Da 5 100 100 100 100 30 20 <br />Da 6 100 100 100 100 30 0 <br />Da 7 90 100 100 80 30 0 <br /> <br />Mean 3 Brood Total 8.8 7.4 13.0 6.5 3.8 0.0 <br /> <br />H aximum/Minimum 8.5/7.8 8.5/8.1 8.8/8.2 8.9/8.3 9.0/8.3 8.7/8.3 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI" (mg/1): <0.1 <br />HARDNESS (~~1. REC'V WATER: EFFLUENT: 725 RECON WATER: 117 <br />ALKALINITY ~,[Il' REC' V WATER: EFFLUENT: 932 RECON WATER: 88 <br />TOT AMMONIA (~~1~ 1NTTIAL 100%: X3.0 FINAL 100%: X4.0 <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 />_ (,c4~~ <br />u~-: <br />4/14/99 <br />F-466 <br />Original WalcrmmAetl Fer Your Protec4on <br />COMMERCIAL TESTING 8 ENGINEERING CO. <br />L1~ <br />