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1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />1 <br />i <br />COLORADO - CDPS W ET TEST REPORT FORM -ACUTE <br />PERMITTEE: Mountain Coal Company CDPS NO.: CO-0038776 OUTFACE: 017 <br />TYPE TEST: ROUTINE: h7C ACCELERATED: TEST SPECIES: D. ma,na <br />TEST RESULTS: LCSO: >100% STATISTICAL METHOD: Probit <br />TEST TIME & DATE: BEGIN 1120 AM 01/04/01 END 1100 AM O1 /06/01 <br />DILUTIONS (% EFFLUENT) <br />NIEASURENiENTS 0% 1.9% ZS% 50% 75% 100'% <br /># START OF TEST: 20 20 20 20 20 20 <br /># ALIVE AFTER 24 HRS: 18 20 20 18 19 19 <br /># ALIVE AFTER 48 HRS: 18 20 19 16 14 13 <br /> <br /> <br />RECEIVING WATER USED FOR DII.UTION? NO TOTAL RESID. Cl - (mg/1): <0.1 <br />HARDNESS (mg/I): RECEIVLG WATER: EFFLUENT: 160 RECON WATER: 225 <br />ALKALII~TITY (mg/1):RECEIVING WATER: EFFLUENT: 1655 RECON WATER: 140 <br />pH: INITIAL: CONTROL 8.5 100% EFFLUENT 8.1 <br />FINAL: CONTROL 8.7 100% EFFLUENT 9.0 <br />TOTAL AMMONIA AS N (mg/I): INITIAL 100%: X1.0 FINAL 100%: ~1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />I <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: ~j~-~ /~-~'-~ <br />COMMENTS: <br />4/14/99 <br />F-466 <br />Original Watennarketl For Your Protection <br />COMMERCIAL TESTING & ENGINEERING CO. <br />LTA <br />~,~..w <br />