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<br /> <br /> <br /> <br /> <br />'J <br /> <br /> <br />CJ <br /> <br /> <br /> <br />r <br /> <br /> <br /> <br /> <br />COLORADO - CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Twentymile Coal Co. CDPS NO. CO-0027154 OUTFACE: 001 <br />TYPE TEST: ROUTINE: XX ACCEI.FR ATED;_ TEST SPECIES: Ppromelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference >]00% >]00% Dunnett's <br />Pass/Fail Pass N/A <br />IGn 56.3% >]00% Boo <br />Pass/Fail Fail N/A <br />TEST TIIv1E & DATE START 1 ]40 AM 10/03/00 END 1210 PM ]0/10/00 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5•/. 25% 50% 75Y° 100°/. <br />Da 1 % Survival 100 100 100 100 100 ]00 <br />Da 2 100 100 100 100 100 100 <br />Da 3 ]00 100 100 100 97.5 92.5 <br />Da 4 97.5 90.0 97.5 92.5 82.5 87.5 <br />Da 5 97.5 87.5 85.0 92.0 65.0 82.5 <br />Da 6 97.5 72.5 70.0 92.5 55.0 75.0 <br />Da 7 97.5 70.0 67.5 90.0 55.0 75.0 <br /> <br />7 Da Mean Wei t 0.442 0.342 0.351 0.457 0.269 0.409 <br /> <br />H 'mum/Minimum 8.6!7.9 8.4/8.0 8.3/8.0 8.4/8.0 8.3/8.0 8.2/8.0 <br />RECEIVING WATER USID FOR DILUTION? N~ TOTAL RESIDUAL CI- (mg/1): <0.1 <br />HARDNESS (mg/1): REC'V WATER: EFFLUENT: 2327 RECON WATER: 137 <br />ALKALINITY (mg/1}: REC' V WATER: EFFLUENT: 237 RECON WATER: 87 <br />TOT. AMMONIA (mg/1): INIT'IAI. 100%: <1.0 FINAL 100%: <1.0 <br />IF NO, LIST DE VIATIONS FROM TEST SPECIFICATIONS: <br />WERE ALL TEST CONDI110NS IN CONFORMANCE WITH DMSION GUIDELINES? YES <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COMMEACIAL TESTING 8 ENGINEEglNG CO. <br />~~ ~v. <br />4/14/00 <br />~~,~ Ltd <br />Original Walarrnerked For Vour Protection <br />