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COLORADO - CDPS W ET TEST REPORT FORM -ACUTE <br />PERMITTEE: Pittsburg & Midway Coal Co. CDPS NO.: CO-0032638 OUTFACE: 007 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: D. magna <br />TEST RESULTS: LCso: 63.9% STATISTICAL METHOD: Probit <br />TEST TIIv1E & DATE: BEGIN 1340 PM 03/] 3/01 END 1250 PM 03/15/01 <br />DII,UTIONS (% 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 18 20 19 19 l9 <br /># ALIVE AFTER 48 HRS: 20 18 20 l7 5 3 <br /> <br /> <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. CI " (mg/1): <0.1 <br />HARDNESS (mg/l): RECEIVING WATER: EFFLUENT: 2445 RECON WATER: 110 <br />ALKALINITY (mg/I):RECEIVING WATER: EFFLUENT: 315 RECON WATER: 95 <br />pH: INITIAL: CONTROL 8.5 100% EFFLUENT 8.l <br />FINAL: CONTROL 8.4 100% EFFLUENT 8.1 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%: .080 FINAL 100%: <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? NO <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: Test initiated on 3/13/01 usine P&M Edna <br />Mine's previous Qermit Ne~ermit revision not received until 3/14/01 Therefore test was started and <br />1 completed using an 1WC of 59% This does not appeaz to alter the results of the bioassaX <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: ~~~. ~--~ <br />COMMENTS: <br />4/14/99 <br /> COMMERCIAL TESTING & ENGINEERING CO. <br /> <br />