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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: P. promelas <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 />ICES >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 />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 />7 Da Mean D Wei ht 0.126 0.148 0.156 0.153 0.153 0.15 <br /> <br />pH (Maximum/Minimum 7.71-8.29 7.58-7.84 7.81-8.67 7.81-8.67 8.07-8.83 8.28-9.08 <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 IMG/L) INITIAL EFF LUENT: <1.0 FINAL EFFLUENT: <1.0 <br />T.RESIDUAL CHLORI NE (MG/L) EFFLUENT: <0.1 <br />LABORATORY: ENVIRO-CHEM ANALYTICAL, INC. ANALYST: . ~ ,! 5- ~ _~. -~ `_-:~~ ~ "j~;~~<%~l ~ <br />