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SGS <br />COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Seneca Coal Co. CDPS NO. CO-0000221 OUTFACE: 008 <br />TYPE TEST: ROUTINE: XX ACCELERATED:- TEST SPECIES: P. nmmelas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration with Statistical Drfterence > 100°i° > 100°•o Steel's Man -One/ Dunnett's <br />PasslFad Pass N!A <br />IG~•,PointEstimate >100% >100% Bootstra <br />Pass/Fail Pass N!A <br />TEST TIME & DATE START 1125 AM 5!17/05 END 1030 AM 5/24!05 <br />DILUTION (°,~n EFFLUENTI <br />MEASUREMENTS CONTROL i 9.3°/s 25% 50% 75% 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Da 2 100 100 100 100 100 100 <br />Da 3 100 100 100 100 100 100 <br />Da 4 100 100 100 100 100 95 <br />Da 5 100 100 100 100 97.5 95 <br />Da 6 100 100 97.5 97.5 97.5 95 <br />Da 7 100 100 90 95 95 95 <br /> <br />7 Da Mean D Wei ht 0.554 0.521 0.549 0.547 0.550 0.519 <br /> <br />H MaxlmumlMinimum) 8.117.8 8.1/7.9 8.1/7.9 8.2/7.9 8.317.9 8.3/7.8 <br />RECEIVING WATER USED FOR DILUTION? NO TOTAL RESIDUAL CI' (mg/l): <0.1 <br />HARDNESS (mg/p: REC'V WATER: EFFLUENT 2095 RECON WATER 122 <br />ALKALINITY (mgll): REC'V WATER: EFFLUENT 197 RECON WATER• 78 <br />TOTAL AMMONIA fmg/l I: INITIAL 100%~ <1 0 FINAL 100% <1 0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE W ITH DIVISION GUIDELINES? YES <br />IF NO. LIST DEVIATIONS FROM TEST SPECIFICATIONS: / <br />LABORATORY: SGS MINERALS SERVICES DIVISION ANALYST: ~"^'Y"'~y~ .f ~'n -Or <br />