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COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: P8M Coal CDPS NO. CO-0032838 OUTFACE: 007 <br />TEST TYPE: ROUTINE XX ACCELERATED _ TEST SPECIES: C. dubia <br />TEST RESULTS LETHALITY GRONffH STATISTICAL METHOD <br />Concentration w/ Statistical Difference 100 100 Fisher'slDunnetPs <br />Pass/Fail Pass N/A <br />IC25 _ ->100% 40.47 Bootstrap <br />Pass/Fail N/A Pass <br />TEST TIME & DATE START Dec. 5.2006 END <br />9:30 AM <br />DILUTION (% EFFLUENT) <br />Dec. 12.2006 <br />9:03 AM <br />MEASUREMENTS CONTROL 6.25% 12.50% 25.00% 50.00% "100% <br />Da 1 % Survival 100 100 100 1(i0 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 />Mean 3 Brood Total 23.5 28.4 27.1 23.8 26.1 27.6 <br /> <br />H Maximum/Minimum 7:88-7.91 -7:67-7.83 7.68-7.99 7.55-7.89 7.65-7.88 7.45-7.68 <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: 2120-2300 MHW WATER: 80.8 <br />ALKALINITY (MG/L) EFFLUENT: 324J40 MHW WATER: 78.8 <br />T. AMMONIA (MG/L) INITIAL EFFLUENT: <1.0 <br />T.RESIDUAL CHLORINE (MG/L) EFFLUENT: <0.1 p _ /~ <br />LABORATORY: ENVIRO-CHEM ANALYTICAL, INC. ANALYST <br />