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SeaCresl Project Number: 300272 <br />COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Seneca Coal Company CDPS No: CO-0000221 OUTFACE: 004 <br />TYPE TEST: Routine: XX Accelerated: Test Species: Pimepha/es proms/as IWC: 12.3°A° <br />TEST RESULTS; LETHALITY GROWTH REPRODUCTION <br />Conc. With Stat. <br />Difference 50%, 100% >100% NA <br /> PASS PASS PASS/FAIL <br />IC25 >100% >100% NA <br /> PASS PASS PASS/FAIL <br />STAT. METHOD USED: Statistical Diff.: Dunnett's ANOVA, Steel's Rank Test IC25: ICp <br />DATE: START: 11:30 AM/PM 6 / 20 / 00 END: 11:30 AM/PM 6 / 27 / 00 <br />DILUTIONS (°A. EFFLUENT) <br />Measurements Control0°~ 8.25% 12.5% 25% 50% 100% Recon <br />°,6 Survival for Day 1 100 100 100 100 98 100 XX <br />°,6 Survival for Day 2 100 100 100 98 98 98 XX <br />°/. Survival for Day 3 100 100 100 93 88 98 XX <br />°~ Survival for Day 4 100 95 95 93 78 93 XX <br />°~ Survival for Day S 100 95 95 93 73 88 XX <br />% Survival for Day 6 100 95 93 90 70 88 XX <br />°,6 Survival for Day 7 100 93 93 88 65 85 XX <br />Mean 3 Brood Total )()( )0( XX XX XX XX XX <br />7 Day Mean Dry Wt 0.30 0.28 0.25 0.30 0.28 0.37 XX <br />pH Max/Min: 8,3/7.7 8.217.8 8.3/7.8 8.3/7.9 8.3/8.0 8.3/8.0 XX/XX <br />Hardness (k) mg/L: Receiving Water. NA Effluent: 2586 Recon water. 97 <br />Alkalinity (k) mg/L; Receiving Water. NA Effluent: 149 Recon water. 74 <br />Total Ammonia as N (~) mg/L: Initial Effluent: <1.0 2nd Effluent: <1.0 Final Effluent: <1.0 <br />Total Residual Chlorine, mg/L: 100%: <0.01 Receiving Water Used for Dilution? N <br />Were All Test Conditions in Conformance with Division Guidelines? Y <br />List Deviations From Test Specifications: Effluent samples #1 and #3 aerated prior to use. <br />Dissolved oxygen supersaturated. <br />Laboratory: THE SEACREST GROUP <br />Analyst(s): Lee Wagner, Tim Jones ~~/, ' ~ ~ / <br />