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h <br />1 <br />.~~~ COMMERCIAL TESTING & ENGINEERING CO. <br />swce iaoe <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: C. dubia <br />TEST RESULTS: LCSO: 67.9% STATISTICAL METHOD: Spearman-Karber <br />TEST TIME & DATE: BEGIN 1120 AM 03/04/03 END 1205 PM 03/06/03 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 1.7% 25% 50% 75% 100% <br /># @ START OF TEST: 20 20 20 20 20 20 <br /># ALIVE AFTER 24 HRS: 20 20 20 ZO 20 20 <br /># ALIVE AFTER 48 HRS: 20 20 20 20 6 0 <br />RECENING WATER USED FOR DILUTION? NO TOTAL RESID. Cl - (mg/1): N/A <br />HARDNESS (mg/1): 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 8.1 100% EFFLUENT 9.0 <br />TOTAL AMMONIA AS N (mg/I): 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 />~,~` <br />/ _.._ <br />COMMENTS: Effluent received discolored (dark amber). The ammonia and chlorine colorimeters were <br />not useful due to effluent discoloration. <br />4/14/99 <br />