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L~~ COMMERCIALTEETING 8 ENGINEERINGGO. <br />sirvce ~we+ <br />COLORADO - CDPS WET TEST REPORT FORM -CHRONIC <br />PERNIITfEE: Seneca Coal Company CDPS NO. CO-0000221 OUTFACE: 008 <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 />IC15 >100% >100% Bootstra <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START 1305 PM 07/11/02 END 1135 AM 07/18/02 <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 15.0% 25% 50% 75% 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Day 2 100 100 100 100 100 100 <br />Da 3 100 100 100 100 100 100 <br />Da 4 100 97.5 95.0 97.5 90.0 100 <br />Da 5 97.5 95.0 92.5 87.5 87.5 92.5. <br />Da 6 95.0 90.0 85.0 85.0 87.5 92.5 <br />Da 7 95.0 90.0 85.0 82.5 87.5 82.5 <br /> <br />7 Da Mean Wei t 0.504 0.580 0.437 0.530 0.590 0.625 <br /> <br />H (Maximum/Minimum) 8.5/7.7 8.4/8.0 8.417.9 8.4/8.1 8.318.1 8.6/8.2 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI- (mg/I): <0.1 <br />HARDNESS ~mg/t): REC'V WATER: EFFLUENT: 2310 RECON WATER: I10 <br />ALKALIMTY Lmg/I): REC'V WATER: EFFLUENT: 120 RECON WATER: 82 <br />TOT. AMMOMA (me/I): INITIAL 100%: <1.0 FINAL 100% <1 0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WTI'H DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: /'~, ~\, <br />LABORATORY: COMMERCIAL TESTING & ENGINEERING ANALYST: '~""""~ <br />4/14/99 <br />