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COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Seneca Coal Company CDPS NO. CO-0000221 OUTFACE: WTI <br />TEST TYPE: ROUTINE XX ACCELERATED TEST SPECIES: C. dubia <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration w/ Statistical Difference >100% >100% Fisher's/Dunnett's <br />Pass/Fail Pass N/A <br />IC:s >100% >100% Bootstrap <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START July 10. 2007 END July 17, 2007 <br />10.30 AM 10:30 AM <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 6.50% 13.00% 25.00% 50.00% 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 />Day 4 100 100 100 100 100 100 <br />Day 5 100 100 100 100 100 100 <br />Da 6 100 100 100 100 100 100 <br />Da ? 100 100 100 100 100 100 <br /> <br />Mean 3 Brood Total 20.2 23.9 29.2 25.7 19.2 21.2 <br /> <br />pH (Maximum/Minimum 9.05-9.20 8.78-9.03 8.83-9.12 8.83-9.12 8.83-9.13 8.82-9.08 <br />RECEIVING WATER USED FOR DILUTION? NO <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO. LIST ALL DEVIATIONS: <br />HARDNESS (MG/L: EFFLUENT: 1135-1240 MHW WATER: 80.5 <br />ALKALINITY (MG/L) EFFLUENT: 144.48-158.93 MHW WATER: 60.57 <br />T AMMONIA (MG/L) INITIAL EFFLUENT: <1.0 <br />T.RESIDUAL CHLORINE (MG/L) EFFLUENT <0.1 <br />LABORATORY. ENVIRO-CHEM ANALYTICAL, INC. ANALYST. ~,.i. )• r' <br /> <br />