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<br />COLORADO - CDPS WET TEST REPORT FORM -ACUTE <br />pFRMiTTRF: Mountain Coal Company CDPS NO.: CO-0038776 OUTFACE: 017 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: P. oromelas <br />TEST RESULTS: LCso: >100% STATISTICAL METHOD: Binomial <br />TEST TIIvTE & DATE: BEGIN 1200 PM 10/17/00 END 1100 AM 10/21/00 <br />DII.UTIONS (% EFFLUENT) <br />MEASUREMENTS 0% 1.9°/. 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 39 40 40 40 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESID. Cl " (mgp): <0.1 <br />HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 60 RECON WATER: 160 <br />ALKAI.INTTY (mg/l):RECEIVING WATER: EFFLUENT: 1550 RECON W ATER: 85 <br />pH: INITIAL: CONTROL 8.5 100% EFFLUENT 8.1 <br />FINAL: CONTROL 8.2 100% EFFLUENT' 9.0 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%: c1.0 FINAL 100'/0: X1.0 <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: <br />4/14/99 <br />COMMERCIAL TESTING & ENGIN EEO ING CO. <br />F-466 Lt~ <br />Original Watertnarketl For Vour Protection s.u m. <br />