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'"/ <br />COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE: Bear Coal ComQanv CDPS NO.: CO-0044377 OUTFACE: 001 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: C. dubia <br />TEST RESULTS: LCso: 83.65% STATISTICAL METHOD: Trimmed Speazman-Karber <br />TEST TIME & DATE: BEGIN 1205 PM 03/31/00 END 1105 AM 04/02/00 <br />DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0°l0 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 1 <br /># ALIVE AFTER 48 HRS: 20 20 20 20 18 0 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. CI' (mg/1): <0.1 <br />HARDNESS (mg/i): RECEIVING WATER: EFFLUENT: 220 RECON WATER 105 <br />ALKALINITY (mg/1):RECEIVING WATER EFFLUENT: 1600 RECON WATER: 85 <br />pH: INITIAL: CONTROL 8.4 100% EFFLUENT 8.6 <br />FINAL: CONTROL 7.6 100% EFFLUENT 8.4 <br />TOTAL AMMONIA AS N (mg/1): 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: <br />COMMENTS: Effiuent received discolored (dark amber). <br />4/14/99 <br />