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<br />LTA COMMERCIALTEETIMO 8 ENOINEERIN000. <br />COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Twentymile Coal Co. CDPS NO.: CO-0042161 OUTFACE: FCBH-115 <br />TYPE TEST: ROUTINE: ACCELERATED: XX TEST SPECIES: D. raa2rea <br />TEST RESULTS: LCsp: >100% STATISTICAL METHOD: Ptobit <br />TEST TIIvIE & DATE: BEGIN 1220 PIvL 03/25/03 END 1120 AM 03/27/03 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 1Z.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 20 20 IA I1 <br /> <br /> <br />RECEIVING WATER USED FOR DILUTION'? NO TOTAL RESID. CI ' (mgf 1): X0.1 <br />HARDNESS (mg/1): RECEIVING WATER: EFFLUENT: 750 RECON WATER 200 <br />ALKALINITY (mg/l):RECETVING WATER: EFFLUENT: 1000 RECON WATER 160 <br />pH: INITIAL: CONTROL 8.6 I00E/° EFFLUENT 8.2 <br />FINAL: CONTROL 8.7 100% EFFLUENT 8.7 <br />TOTAL AMMONIA AS N (mg/1): INI17AL 100°/E: =~3.0 FINAL X00%: X3.0 <br />~ WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? 7'ES <br />IF NO, LEST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COIvIlvIENTS: Accelerated lest #4 <br />4/14199 <br />~-. <br /> <br /> <br />