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I COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />' PERMITTEE: Pittsburg & Midway Coal Co. CDPS NO.: CO-0032638 OUTFACE: 004 <br />TYPE TEST: ROUTINE: XX ACCELERATID:_ TEST SPECIES: C. dubia <br />TEST RESULTS: LCso: >100% STATISTICAL METHOD: Binomial <br /> <br /> <br /> <br /> <br /> <br /> <br />TEST TIIvIE & DATE: BEGIN 1400 PM 12/07/99 END 1300 PM 12!09/99 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 18% 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 20 20 20 20 <br /> <br /> <br />RECEIVING WATER USID FOR DII.UTION? NO TOTAL RESID. C[ ' (mg/1): <0~1 <br />HARDNESS (mg/1): RECEIVING WATER: 195 EFFL UENT: 2925 RECON WATER: 120 <br />ALKALINITY (mg/I): RECEIVING WATER: 140 EFFL UENT: 60 RECON WATER: 80 <br />' pH: <br />INITIAL: CONTROL 8.1 100% EFFLUENT 8.6 <br />FINAL: CONTROL 7.6 100% EFFLUENT 7.4 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%: <1.0 FINAL 100%: <].0 <br />WERE ALL TEST CONDTI'IONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />1 <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: (.i~-~K.~*-~~ <br />COMMENTS: <br />1 4/14/99 <br />1 <br />COMMERCIAL TESTING & ENGINEERING CO. <br />f Ong~nai LOOy Wa~ermarte0 ~~~ <br />FOr YOe1 Pr0~ec0on <br />a66 <br />