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COLORADO - CDPS W ET TEST REPORT FORM -ACUTE <br />PERMTTTEE: Beaz Coal Compan~r CDPS NO.: CO-0044377 OUTFACE: 001 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES.D. magna <br />TEST RESULTS: LCso: >100% STATISTICAL METHOD: Binomial <br />TEST TIlVIE & DATE: BEGIN 0805 AM 09!20/00 END 0830 AM 09/22!00 <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 20 20 20 <br /># ALIVE AFTER 48 HRS: 20 20 20 20 20 20 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. C] ~ (mg/l); <0.1 <br />HARDNESS (mgll): RECEIVING WATER EFFLUENT: 180 RECON WATER: I15 <br />ALKALINITY (mg/l): RECEIVING WATER: EFFLUENT: 1850 RECON WATER 85 <br />pH: INITIAL: CONTROL 8.3 100% EFFLUENT 8.7 <br />FINAL: CONTROL 8.5 100% EFFLUENT 9.1 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%:.107 FINAL 100°!0: ~. 100 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: Due to the unavailability ofDa~hnia <br />> at the start of this test it was delayed until the next morning, <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COMMENTS: E$Iuent received discolored (dark amber). Daphnia magna used at request of Bear Coal <br />Company. <br />