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<br /> <br />COLORADO - CDPS W ET TEST REPORT FORM -CHRONIC <br />PERMTITEE: Pittsburg & Midway Coal Co. CDPS NO.: CO-0032638 OUTFACE: 004 <br /> <br />.1 <br /> <br /> <br /> <br /> <br />i <br /> <br /> <br /> <br /> <br /> <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: P.,promelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference I0O% >100% Steel's Man -One Rattk <br />Pass/Fail Pass N/A <br />ICZS 87.5% >100% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIl~IE & DATE START 1100 AM OS/15/O1 END 1015 AM 05/22/01 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 28.6% 50.0% 75.0% 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Da 2 100 100 100 100 100 100 <br />Da 3 IOO 100 100 100 97.5 80.0 <br />Da 4 100 100 92.5 80.0 95.0 77.5 <br />Da 5 100 95.0 90.0 77.5 92.5 72.5 <br />Da 6 100 92.5 90.0 72.5 92.5 70.0 <br />Da 7 100 92.5 87.5 72.5 87.5 70.0 <br /> <br />7 Da Mean D Wei ht 0.617 0.647 0.547 0.450 0.626 0.507 <br /> <br />H (Maximum/Minimum) 8.5/7.8 8.3/6.9 8.3/6.5 8.3/6.2 8.4/6.0 8.4/5.7 <br />RECEIVING WATER USED FOR DII.UTION? NO TOTAL RESIDUAL Cl' (mg/1): <0.2 <br />HARDNESS (mpJll: REC'V WATER: EFFLUENT:- _ 2792 RECON WATER: 108 <br />ALKAI.INTTYLgL):_REC'V WATER• EFFLUENt: 165 RECON WATER: 87 <br />TOT. AMMONIA (me/Il: INITIAL 100%: .021 FINAL 100%: <1.0 <br />WERE ALL TEST CONDTIIONS 1N CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: ~\ <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: ~,~ ~~~ ~'~""'~ <br />1 4/14/99 <br />J <br />COM MERCIAL TESTING & ENGINEERING CO. <br />Original Cooy Watermarxetl ~~~ <br />For Vour Pro~ecnon <br />afifi <br />