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i <br />l~ <br />' COLORADO - CDPS WET TEST REPORT FORM- ACUTE <br />PERNIIITEE: Prnvderhorn Coal Comoanv CDPS NO.: CO-0027146 OUTFACE: 001 2 <br />TYPE TEST: ROUTINE: 7LX ACCELIItATID:_ TEST SPECIES: . dubio <br />' TEST RESULTS: LC~:_>_ 100% STATLSTICALMETHOD:Binomial <br />TEST TAZE & DATE: BEGIN 1140 AM 11/28/00 END 1130 AM 11/30/00 <br />' DILUTIONS (% EFFLUENT) <br />MEASUREMENTS 0•/. 0.2•/. 25% SO•/. 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 /> <br /> <br />RECEIVING WATER USID FOR DII,UTION7 13Q TOTAL RESID. Cl " (mg/1); <~1 <br />HARDNESS (mg/I): RECEIVING WATER: EFFLUENT: 80 RECON WATER 150 <br />ALKALINITY (mg/t):RECEIVINGWAIER EFFLUENT: 1135 RECON WATER 90 <br />pH: INITIAL: CONTROL 8.4 100% EFFLUENT 7.7 <br />FINAL: CONTROL 8.2 100% EFFLUENT 8.8 <br />~ TOTAL AMMONIA AS N (mg/1): INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />i WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />^ IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />I ~ LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: <br />COMMENTS: <br />4/14/99 <br />COMMERCIAL TESTING 6 ENGINEERING CO. <br />i~~ Ltd <br />nginal Watermarketl Far Your Protection <br />