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COLORADO -CDPS R'ET TEST REPORT FORT? -CHRONIC <br />PERMTTTEE: Twentymile Coal Co. CDPS NO. CO-0027154 OUTFACE: 007 <br /> <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: ~romelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference >]00% >]00% Steel's Man -One Rank <br />Pass/Fail Pass N/A <br />ICss >l00% >]00% Bootstra <br />Pass/Fail Pass N/A <br />TEST T]ME & DATE START ]345 PM 06/26/0] END 1250 PM 07/03/01 <br />DILUT]ON (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% 100% <br />Da ] % Survival ] 00 97.5 100 ] 00 ] 00 ] 00 <br />Da 2 100 97.5 97.5 ] 00 100 100 <br />Da 3 100 90.0 97.5 97.5 95.0 97.5 <br />Da 4 ] 00 87.5 95.0 92.5 95.0 97.5 <br />Da 5 100 82.5 82.5 87.5 95.0 97.5 <br />Da 6 l00 82.5 77.5 80.0 95.0 97.5 <br />Da 7 ] 00 80.0 77.5 72.5 90.0 97.5 <br /> <br />7 Da Mean D Wei ht 0.851 0.709 0.746 0.672 0.863 1.012 <br /> <br />H (Maximum/Minimum 8.5/7.7 8.4/7.7 8.3/7.8 8.3/7.8 8.6/7.9 8.6/8.0 <br />RECEIVING WATER USED FOR DII,UTION? NO TOTAL RESIDUAL CI' (mg/1): <0.1 <br />HARDNESS (me/Il: REC'V WATER EFFLUENT: 1722 RECON WATER: 115 <br />ALKALINITY (m~/11~ REC'V WATER EFFLUENT: ]00 RECON WATER: 85 <br />TOT AMMONIA (me/Il INITIAL 100%: 12] FINAL 100%: <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />_~ <br />4/14/99 <br />COM MERCIAL TESTING & ENGINEE RING CO. <br />Dmm~a~ Copy WaiermarFeC ~~~ <br />FOr TaUf FfOIPCirO~i <br />