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COLORADO-CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Pittsbure R Midway Coal Co CDPS NO.: CO-0032638 OUTFACE: 007 <br />TYPE TEST: ROUTINE: ACCELERATED: XX TEST SPECIES: D. maw <br />l TEST RESULTS: LCso: >100% STATISTICAL METHOD: Probit <br />TEST TIlVIE & DATE: BEGIN 0825 AM 08/29/01 END 0835 AM 08/31/01 <br />DILUTIONS (% EFFLUENT) <br /> <br />MEASUREMENTS 0% 12.5% 25% 50% 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 17 13 13 11 <br /> <br /> <br />1 RECEIVING WATER USED FOR DILUTION? <br />HARDNESS (mall): RECEIVING WATER: <br />ALKALIMTY (mg/I): RECEIVING WATER: <br />J pH: INITIAL: CON1"ROC <br />FINAL: CONTROL <br />VO TOTAL RESID. Cl " (mg/l): <0. l <br />EFFLUENT: 2655 RECON WATER: 215 <br />EFFLUENT: 330 RECON WATER: 160 <br />8.5 100% EFFLUENT 8.1 <br />8.5 100% EFFLUENT 8.1 <br />70TAL AMMONIA AS N (mF,_fl): QdITIAL 100%: <l.0 FINAL L00%: <L.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? NO <br />J IF NO, L[ST DEVIATIONS FROM TEST SPECIFICATIONS: Test not immediately started due to <br />unavailability of Daphrrra maerra at that time. Effluent was maintained at 4 ° C. <br />~. <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: ~~~ <br />COA4MENTS: Accelerated test #l <br />COMMERCIAL TESTING & ENGINEERING CO. <br />4/14/99 <br />I Original Copy Wa~armarxea ~~~ <br />Far Yaur Prpiecppn <br />F afib .. <br />