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COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />pF.RMiTTFF; powderhorn Coal Company CDPS NO.: CO-0027146 OUTFACE: 001/002 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: P. promelas <br />TEST RESULTS: LCw: >100% <br />STATISTICAL METHOD: Binomial <br />TEST TIIvIE & DATE: BEGIN 1050 AM 10/28/99 END 0950 AM 11/01/99 <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 DII,UTION? NO TOTAL RESID. Cl ' (mg/I): <0.1 <br />HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 120 RECON WATER: 115 <br />ALKALINITY (mg/1):RECEIVINGWRTER: EFFLUENT: 975 RECON WATER: 85 <br />pH: INITIAL; CONTROL 8.1 100% EFFLUENT 7.9 <br />FINAL: CONTROL 8.0 100% EFFLUENT 8.9 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: Cif-~-^ •'u "~ <br />COMMENTS: <br />4/14/99 <br />COM MERCIAL TESTING 8 ENGINEERING CO. <br />Original Copy waiarmarteo <br />far Vpur Pr0latllOn <br />FeeB <br />LTA <br />