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COLORADO - CDPS VVET TEST REPORT FORM -ACUTE <br />PERMITTEE: Pittsburg & Midwa~Coal Co. CDPS NO.: CO-0032638 OUTFACE: 004 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: D. mafnra <br />TEST RESULTS: LCso: > 100% STATISTICAL METHOD: Binomial <br />TEST TIIv1E & DATE: BEGIN 1030 AM 03/13/01 END 0950 AM 03/15/01 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 12.5% 25% 59% 75% 100% <br /># START OF TEST: 20 20 20 20 20 20 <br /># ALIVE AFTER 24 HRS: 20 20 20 20 20 20 <br /># ALIVE AFTER 48 HRS: 20 20 20 20 20 20 <br /> <br /> <br />RECEIVING W ATER USED FOR DILUTION? NO TOTAL RESID. Cl ~ (mg/1): <0.1 <br />HARDNESS (mg/l): RECEIVING WATER: EFFLUENT: 2620 RECON WATER: 110 <br />ALKALINITY (mg/I): RECEIVING WATER: EFFLUENT: 395 RECON WATER: 95 <br />' pH: <br />INITIAL: CONTROL 8.5 100% EFFLUENT 7.8 <br />FINAL: CONTROL 8.3 100% EFFLUENT 8.2 <br />' TOTAL AMMONIA AS N (mg/l): IMTIAL 100%: 1.30 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 />COMMENTS: <br />4/ 14/99 <br />466 <br />ncinm :: etermprC°O =.r +;ur Protection <br />COMMERCIAL TESTING & ENGINEERING CO. <br />~~~ <br />