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COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Powderhorn Coal Com~anv CDPS NO.: CO-0027146 OUTFACE: 004 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: P. promelas <br />TEST RESULTS: LCso:>l00% <br />STATISTICAL METHOD: Binomial <br />TEST TIlvIE & DATE: BEGIN 0940 AM 08/10/99 END 1035 AM 08/14/99 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 0.2% 25% 50% 75% 100% <br /># START OF TEST: 40 40 40 40 40 40 <br /># ALIVE AFTER 24 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 48 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 72 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 96 HRS: 39 38 40 40 40 40 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. CI " (mg/I): <0.1 <br />HARDNESS (mg/l): RECEIVING WATER: EFFLUENT: 100 RECON WATER: 110 <br />ALKALINITY (mn/l):RECEIVING WATER: EFFLUENT: 960 RECON WATER: 85 <br />pH: INITIAL: CONTROL 8.3 100% EFFLUENT 8.8 <br />FINAL: CONTROL 8.0 100% EFFLUENT 9.0 <br />TOTAL AMMONIA AS N (mg/l): IMTIAL 100%: <1.0 FINAL 100%: <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />D <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: C~,~c„„ ~.c,r-~-a <br />COMMENTS: <br />4/14/99 <br />COM MERCIAL TESTING & ENGIN EE RING CO. <br />Onginal COPY Warermarxea <br />For Your Proieciion <br />F<66 <br />LTA <br />