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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. maw <br />TEST RESULTS: LCso: 51.3% STATISTICAL METHOD: Trimmed Spearman Karber <br />TEST TIME & DATE: BEGIN 0945 AM 08/16/01 END 1020 AM 08/18/01 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 12.5% 25% 50% 75% 100% <br /># c, START OF TEST: 20 20 ZO 20 20 20 <br /># ALIVE AFTER 24 HRS: 20 20 20 20 20 18 <br /># ALIVE AFTER 48 HRS: 19 20 20 8 8 I <br /> <br /> <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. CI " (mg/I): <0.1 <br />HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 2700 RECON WATER: 215 <br />ALKALINITY (mg/1):RECEIVING WATER: EFFLUENT: 305 RECON WATER I60 <br />pH: INITIAL: CONTROL 8.4 100% EFFLUENT 8.1 <br />FINAL: CONTROL 8.4 100% EFFLUENT 8.] <br />TOTAL AMMOMA AS N (mg/I): IMTIAL 100%: <1.0 FINAL 100%: <l.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: C'~-« <br />COMMENTS: <br />4/ 14/99 <br />a66 <br />rig~nal Watermarketl For Your Protection <br />COMMERCIAL TESTING & ENOIN EERING CO. <br />~~~ <br />