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COLORADO - CDPS W ET TEST REPORT FORM -ACUTE <br />PERMITTEE: Powderhorn Coal Company CDPS NO.: CO-0027146 OUTFACE: OOl/002 <br />i <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: P. promelas <br />TEST RESULTS: LCso: >100% STATISTICAL METHOD: Binomial <br />TEST TTME & DATE: BEGIN 1305 PM 07/17/01 END 1300 PM 07/21/01 <br />DII.UTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 0.2% 25% 50% 75% 100% <br /># START OF TEST: 40 40 40 40 40 40 <br /># ALIVE AFTER 24 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 48 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 72 HRS: 40 40 40 40 40 40 <br /># ALIVE AFTER 96 HRS: 40 40 40 40 40 40 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. CI " (mg/I): <0.1 <br />HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 55 RECON WATER: 115 <br />ALKALINTTY (mg/1):RECEIVINGWRTER: EFFLUENT: 1050 RECON WATER: 80 <br />pH: INITIAL: CONTROL 8.3 100% EFFLUENT 7.7 <br />FINAL: CONTROL 8.2 100%EFFLUENT 8,7 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%:.387 FINAL 100%:.572 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />ff NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COMMENTS: <br />/ / <br />4/14/99 <br />COMMERCIAL TE STING & ENGINEERING CO. <br />ginal Waurmarkeo For Vour Prolecu°n <br />LTA <br />r - -_-_-.----__. ~.-~_. __~ <br />