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<br />COLORADO - CDPS WET TEST REPORT FORM - CHRONIC <br />PERMITTEE: Seneca Coal Company CDPS NO. CO-0000221 OUTFALL: WTA <br />TEST TYPE: ROUTINE XX ACCELERATED TEST SPECIES: C. dubia <br />TEST RESULTS LETHALITY GROWTH <br />Concentration w/ Statistical Difference >100% >100% <br />Pass/Fail Pass N/A <br /> >100% >100% <br />Pass/Fail Pass N/A <br />TEST TIME $ DATE START April 1.2008 END <br /> 10:30 AM <br /> DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 6.80% 13.00 <br />1 % Survival <br />2 <br />3 100 <br />100 <br />100 100 <br />100 <br />100 100 <br />100 <br />100 <br />4 100 100 100 <br />5 100 100 100 <br />6 100 100 100 <br />7 100 100 100 <br /> <br />April 8. 2008 <br />10:30 AM <br />STATISTICAL METHOD <br />Fisher's/Dunnett's <br />Bootstrap <br />100% <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />Mean 3 Brood Total 16.8 16.1 12.5 17.3 <br /> <br />H Maximum/Minimum 8.185-8.712 7.702-8.125 7.633-8.787 7.840-8.634 <br /> <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: 1740-1889 MHW WATER: 91 <br />ALKALINITY (MG/L) EFFLUENT: 260-267 MHW WATER: 46.96 <br />T. AMMONIA (MG/L) INITIAL EFFLUENT: <1.0 <br />T.RESIDUAL CHLORINE (MG/L) EFFLUENT: <0.1 <br />8.1 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />15.5 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />15.5 <br />8.1 <br />LABORATORY: ENVIRO-CHEM ANALYTICAL, INC. ANALYST: ;L 7? i,