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s^ a <br />L ~ COMMERCIAL TESTING & ENGINEERING CO. <br />COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Pittsburg & Midwav Coal Co. CDPS NO.: CO-0032638 OUTFACE: 007 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: P. promelas <br />TEST RESULTS LETIIALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Difference >100% >100% Steel's /Dunnett's <br />Pass/Fail Pass N/A <br />ICzs 45.1% 41.5% Bootstr <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 0955 AM 03/25!03 END 0925 AM 04/01/03 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 28.6% 50.0% 75.0% 100% <br />Day 1 % Survival 100 .100 100 100 100 100 <br />Day 2 100 100 100 100 100 100 <br />Day 3 100 100 100 100 100 100 <br />Day 4 100 100 100 75.0 85.0 100 <br />Da 5 100 100 100 72.5 77.5 87.5 <br />Day 6 100 100 97.5 70.0 72.5 75.0 <br />Day 7 100 100 97.5 67.5 65.0 72.5 <br /> <br />7 Da Mean D Wei t 1.038 1.065 0.982 0.631 0.683 0.667 <br /> <br />pH (MaX11Il17m/JVllnlmullj) 8.6/7.8 8.5/8.3 8.7/8.3 8.7/8.2 8.5/8.2 8.4/8.0 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL Cl~ (mp~l): <0.1 <br />FIARDNESS (mg/1): REC'V WATER: EFFLUENT: 2292 RECON WATER: 128 <br />ALKALINITY (mgJl): REC'V WATER: EFFLUENT: 298 RECON WATER• 78 <br />TOT. AMMONIA (mgJl): INITIAL 100%: <1.0 FINAL 100%: <1.0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: ~ ~ , , <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: C/(eu~ <br />4/14/99 <br />