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COLORADO - CDPS WET TEST REPORT FORM - CHRONIC <br />PERMITTEE: Seneca Coal Company CDPS NO. CO-0000221 OUTFALL: WTD <br />TEST TYPE: ROUTINE XX ACCELERATED TEST SPECIES: P. prom <br />elas <br />TEST RESULTS LETHALITY GROWTH STATISTICAL METHOD <br />Concentration w/ Statistical Difference >100% >100% Fisher's Exact/Dunnett's <br />Pass/Fail Pass N/A <br />IC25 >100% >100% Bootstrap <br />Pass/Fail Pass N/A <br />TEST TIME & DATE START April 29. 2008 END <br />10:30 AM <br />DILUTION (% EFFLUENT) <br />May 6. 2008 <br />10:30 AM <br />EASUREMENTS CONTROL 6.50°/6 ? 13.00% 25.00°/6 50.00% 100°le <br />% Survival 100 100 100 100 100 100 <br />. 100 100 100 100 100 100 <br /> 100 100 100 100 100 100 <br /> 100 100 100 100 100 100 <br />[ 100 100 100 100 100 100 <br /> 100 100 100 100 100 100 <br /> 100 100 100 100 100 100 <br /> <br />7Day <br />Mean D Wei ht 1.065 1.18 0.825 0.945 1.055 1.2 <br /> <br />aximum/Minimum 7.6-8.17 7.51-7.92 7.445-7.864 7.554-8.008 7.852-8.233 8.104-8.480 <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: 1683-1755 MHW WATER: 80.5 <br />ALKALINITY (MG/L) EFFLUENT: 176.99-205.88 MHW WATER: 53.32 <br />T. AMMONIA (MG/L) INITIAL EFFLUENT: <1.0 FINAL EFFLUENT: 0.0 <br />T.RESIDUAL CHLORINE (MG/L) EFFLUENT: <0.1 _ <br />LABORATORY: ENVIRO-CHEM ANALYTICAL, INC. ANALYST: