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' COLORADO - CDPS WET TEST REPORT FORM -CHRONIC <br />' PERMITTEE: Twentymile Coal Co. CDPS NO. CO-0027154 OUTFACE: QQ] <br /> <br />TYPE TEST: ROUTINE: XX ACCELERATID:_ TEST SPECIES: rome <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference >100% >100% Steel's/Dunnett's <br />Pass/Fail Pass N/A <br />1Gss >100% >]00% Bootstra <br />Pass/Fail Pass N/A <br />TEST TlME & DATE START 1235 PM 07/I I/00 END 1115 AM 07/18/00 <br />' DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% 100% <br />Da 1 % Survival 97.5 100 100 100 100 92.5 <br />Da 2 95.0 100 100 100 100 90.0 <br />Da 3 92.5 100 100 100 100 90.0 <br />Da 4 90.0 97.5 100 97.5 100 90.0 <br />Da 5 90.0 97.5 97.5 95.0 ]00 87.5 <br />Da 6 90.0 97.5 97.5 95.0 100 87.5 <br />Da 7 90.0 97.5 97.5 95.0 100 87.5 <br /> <br />7 Da Mean Wei 0.369 0.438 0.482 0.487 0.423 0.376 <br /> <br />H imum/Minimum 8.5/8.1 8.4/8.1 8.4/8.2 8.4/8.2 8.4/8.2 8.3/8.1 <br />RECEIVING WATER USID FOR DILUTION? N~ TOTAL RESIDUAL CI' (mg/1): < 1 <br />HARDNESS (mg~,l~ REC'V WATER: EFFLUENT: 1687 RECON WATER: 110 <br />ALKALINITY ~m_g/Il: REC'V WATER: EFFLUENT: 231 RECON WATER: 87 <br />' TOT. AMMONIA (mg/I): INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />I WERE ALL TEST CONDTI'IONS IN CONFORMANCE WITH DMSION GUIDELINES? y~ <br />1F NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />I LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: ~ ~ <br />I 4/14/00 <br />COMMENCIAL TESTING S ENGINEENING GO. <br />~-~ ,,...~ ~ Ltd <br />