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' COLORADO - CDPS W ET TEST REPORT FORM -CHRONIC <br />' PERMITTEE: Twentymile Coal Co. CDPS NO. CO-0027154 OUTFACE: 9Q,S <br />TYPE TEST: ROUTINE: XX ACCELERATID:_ TEST SPECIES; romel <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference >100% >]00% Steel's/Dunnett's <br />Pass/Fail Pass N/A <br />1 ~ >]00% >]00% Boo <br />Pass/Feil Pass N/A <br />TEST T17vIE & DATE START 1130 AM 07/11/00 END 1000 AM 07/18/00 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Da 2 100 ]00 100 100 100 100 <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 97.5 100 <br />Da 6 100 100 100 100 97.5 100 <br />Da 7 100 100 100 100 97.5 97.5 <br /> <br />7Da Mean Wei 0.576 0,559 0.643 0.584 0.590 0.531 <br /> <br />H 'mum/M'inimum 8.6/7.9 8.8/8.1 8.9/8.3 9.0/8.6 9.0/8.8 9.1/8.8 <br />RECEIVING WATER USID FOR DiZUTION7 ~ TOTAL RESIDUAL CI- (mg/1): <A ]] <br />HARDNESS ~Y REC'V WATER• EFFLUENT• 422 RECON WATER 110 <br />ALKALINITY ~~1. REC'V WATER EFFLUENT• 500 RECON WATER• 87 <br />TOT AMMONIA Lg/Il' INITIAL 100%: <1.0 FINAL 100%: <1 0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: ~~ <br />4/14/99 <br />COMMERCIAL TESTING & ENGINEERING CO. <br />I F~~' ~~~ <br />Original Wal~a~ tl For Your Protection <br />