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1 <br />L1~ COMMEgC1ALTE5TINGAENGMEEgIN000. <br />COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Pittsburg & Midway Coal Co. CDPS NO.: CO-0032638 OUTFACE: 004 <br />TYPE TEST: ~ ROUTINE: XX ACCELERATED: TEST SPECIES: P. promelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference 100% >100% Dunnett's <br />Pass/Fail Pass N/A <br />ICzs 28.2% 42.5% Boots <br />Pass/Fail Fail N/A <br />TEST TIME Bc DATE START 1005 AM 03/25/03 END 1000 AM 04/01/03 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 28.6% 50.0% 75.0% 100% <br />Da 1 %Survival 100 100 100 i00 100 100 <br />Da 2 100 100 100 100 100 100 <br />Day 3 100 100 100 100 100 100 <br />Day 4 100 100 97.5 90.0 100 70.0 <br />Day 5 100 100 80.0 72.5 97.5 52.5 <br />Day 6 97.5 100 77.5 67.5 80.0 35.0 <br />Da 7 97.5 97.5 72.5 65,0 75.0 22.5 <br /> <br />7 Day Mean Dry Wei t 0.689 0.718 0.570 0.475 0.533 0.239 <br /> <br />H (Maximum/Minimum 8.6/8.0 8.4/8.0 8.3/8.0 8.3/8.0 8.4/8.0 8.4/7.8 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL Cl" (mg/I): <0.1 <br />HARDNESS (mgL): REC'V WATER: EFFLUENT: 923 RECON WATER: 1'28 <br />ALKALINITY (m~/1): REC' V WATER: EFFLUENT: 117 RECON WATER: 78 <br />TOTTOT. AMMONIA~m~): INPI'IAI,100%: <1.O FINAL 100%: <1.0INPI'lAI,100%: <1.0 FINAL 100%: <1.0 <br />WERE ALL TEST CONDTTIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF N0, LIST DEVIATIONS FROM TEST SPECIFICATIONS: //~~ ~~ <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: (~C.tc,~.; <br />4/14/99 <br />