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n <br />{ <br />• .L1~ COMMERCIAL TESTING & ENGINEERING GO. <br />si~¢e saw <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Bear Coal Company CDPS NO.: CO-0044377 OUTFACE: 001 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: P. promelas <br />TEST RESULTS: LCSO: >100% STATISTICAL METHOD: Binomial <br />TEST TIME & DATE: BEGIN 1100 AM 03/04/03 END 1010 AM 03/08/03 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 1.7% 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. Cl - (mg/1): N/A <br />HARDNESS (mg/I): RECENING WATER: EFFLUENT: 400 RECON WATER: 110 <br />ALKALINITY (mg/1):RECENING WATER: EFFLUENT: 1250 RECON WATER: 90 <br />pH: INITIAL: CONTROL 8.5 100% EFFLUENT 8.7 <br />FINAL: CONTROL 7.5 100% EFFLUENT 8.8 <br />TOTAL AMMONIA AS N (mu/1): INITIAL 100%: N/A FINAL 100%: N/A <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DNISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COMMENTS: Effluent received discolored (dark amber). The ammonia and chlorine colorimeters were <br />not usefiil due to effluent discoloration. <br />4/14/99 <br />