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<br /> <br /> <br /> <br /> <br />1 <br /> <br /> <br /> <br /> <br /> <br /> <br />1 <br /> <br /> <br /> <br /> <br /> <br />COLORADO - CDPS WET TEST REPORT FORM -CHRONIC <br />PF.RMITTEE: Twentxmile Coal Co. CDPS NO. 00.0027154 OUTFACE: 005 <br />TYPE TEST: ROUTINE: XX ACCELERATID:_ TEST SPECIES: P.promelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical DilTerence >]00% >]00% Dunnett's <br />Pass/Fail Pass N/A <br />ICs >]00% >]00% Boo <br />Pass/Fail Pass N/A <br />TEST TRTE & DATE START 1205 PM ] 0/03/00 END 1250 PM ] 0/ 10/00 <br />Dn..:,^'" )N (%EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25'/e 50'/0 75'/e 100% <br />Da 1 % Survival 100 100 100 ] 00 100 100 <br />Da 2 100 100 100 100 95.0 ]00 <br />Da 3 97.5 92.5 100 97.5 92.5 97.5 <br />Da 4 95.0 87.5 92.5 92.5 87.5 95.0 <br />Da 5 92.5 85.0 92.5 90.0 87.5 92.5 <br />Da 6 92.5 82.5 90.0 90.0 87.5 90.0 <br />Da 7 90.0 82.5 87.5 87.5 85.0 85.0 <br /> <br />7 Da Mean Wei 0.420 0.448 0.503 0.488 0.444 0,495 <br /> <br />H 'mum/M'mimum 8.6/7.7 8.6/8.0 8.7/8.2 8.8/8,4 8.8/8.3 8.8/8.4 <br />RECEIVING WATER USID FOR DII,UTION? ~ TOTAL RESIDUAL CI" (mg/1): <br />HARDNESS Lg,Lll: REC'V WATER: EFFLUENT: 575 RECON WATER: 137 <br />ALKALINITY Lp,~l): REC' V WATER: EFFLUENT: 610 RECON WATER: 87 <br />TOT. AMMONIA (mg/1): INI"1TAL 100%: <I.0 FINAL 100%: <1.0 <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />WERE ALL TEST CONDTI'IONS IN CONFORMANCE WITH DMSION GUIDELINES? YES <br />LABORATORY: COMMERCUIL TESTING & ENGINEERING ANALYST: <br />COMMERCIAL TESTING 8 ENGINEERING CO. <br />~ ,~ Ltd <br />~riginal Watermarketl For Vour Protection <br /> <br />4/14/99 <br />