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COLORADO - CDPS W ET TEST REPORT FORM -ACUTE <br />PERMITTEE: Powderhorn Coal CompanX CDPS NO.: CO-0027146 OUTFACE: 001/002 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: C. dtrbia <br />TEST RESULTS: LCS°: > 100% <br />STATISTICAL METHOD: Binomial <br />TEST TIME & DATE: BEGIN 1035 AM 08/03/99 END 0950 AM 08/05/99 <br />DII.UTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 0.2% 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 USED FOR DII.UTION? NO TOTAL RESID. CI " (mg/1): <0. <br />HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 95 RECON WATER: 110 <br />ALKALINITY (mg/I):RECEIVINGblATER: EFFLUENT: 1060 RECON WATER: 80 <br />pH: INITIAL: CONTROL 8.4 100% EFFLUENT 7.7 <br />FINAL: CONTROL 8.2 IOO% EFFLUENT 8.9 <br />TOTAL AMMONIA AS N (mg/l): 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 SPECffICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COMMENTS: <br />0•' ~ <br />4/ 14/99 <br />COM MERCIAL TESTING & ENGIN EE RING CO. <br />Onginal CaOY N'aieimarFeO <br />For your Protecaon <br />F>6fi <br />LTA <br />