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COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Seneca Coal Company CDPS NO. CO-0000221 OUTFACE: WTB <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 />IC25 >100% >100% Bootstrap <br />Pass/Fail Pass NIA <br />TEST TIME & DATE START July 16, 2007 END July 23, 2007 <br />10:30 AM 10:30 AM <br />MEASUREMENTS CONTROL 6.50°~6 13.00% 25.00°k 50.00% 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 4 100 100 100 100 100 100 <br />Da 5 100 100 100 100 100 100 <br />Da 6 100 100 100 100 100 100 <br />Da 7 100 100 100 100 100 100 <br /> <br />Mean 3 Brood Total 30.4 39 45.2 40.8 34.4 33.4 <br /> <br />pH (Maximum/Minimum 7.45-7.85 8.18-8.61 8.48-8.66 8.49-8.63 8.45-8.46 7.92-8.51 <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: 1980-2160 <br />ALKALINITY (MG/L) EFFLUENT: 108.36-115.58 <br />T. AMMONIA (MG/L) INITIAL EFFLUENT: <1.0 <br />T.RESIDUAL CHLORINE (MG/L) EFFLUENT: <0.1 <br />MHW WATER: 80.5 <br />MHW WATER' 56.96 <br />LABORATORY: ENVIRO-CHEM ANALYTICAL, INC. ANALYST: <br />