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<br />COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />~ PERMITTEE: Twentymile Coal Co. CDPS NO. CO-0027154 OUTFACE: 00] <br /> <br /> <br />^ <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: P.promelas <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 />ICzs >100% >100% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 1220 PM 06/05/01 END 1030 AM 06!12!01 <br />•~ DILUTION (% EFFLUENT) <br /> <br />i <br />_~ <br /> <br />^ <br />J <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Da 2 100 100 100 100 97.5 100 <br />Da 3 100 100 100 100 87.5 100 <br />Da 4 100 95.0 95.0 95.0 85.0 95.0 <br />Da S 100 92.5 87.5 87.5 85.0 95.0 <br />Da 6 100 92.5 85.0 $5.0 85.0 90.0 <br />Da 7 100 92.5 85.0 82.5 82.5 90.0 <br /> <br />7 Da Mean D Wei ht 0.803 0.656 0.665 0.6]3 0.620 0.640 <br /> <br />H (Maximum/Minimum) 8.5/7.8 8.5/8.1 8.4!8.1 8.4!8.1 8.318.0 8.3/8.0 <br />~ RECEIVING WATER USED FOR DII.UTION? NO TOTAL RESIDUAL CI" (mg(1); <0.2 <br />HARDNESS {mg/1~ REC'V WATER EFFLUENT 2057 RECON WATER 103 <br />- ALKALINITY {mg/1): REC' V WATER: EFFLUENT: 322 RECON WATER• 88 <br />TOT. AMMONIA (m~/I): INITIAL 100°/u <1.0 FINAL 100%- <].0 <br />~ WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />,`\ <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: ~>~~-~ <br />r <br />4/14/00 <br />COMMEq CIAL TESTING & ENGINEERING CO" <br />_ Jnginal CnOY Waiermarkeo ~~~ <br />For Your Praiecvon <br />F 4fiE <br />