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SeaCrest Project Number. 300273 <br />COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Seneca Coal Company CDPS No: CO-0000221 OUTFACE: 008 <br />TYPE TEST: Routine: XX Accelerated: Test Species: P/mepha/es promelas IWC: 9.3% <br />TEST RESULTS: LETHALITY GROWTH REPROnI1CT1AN <br />Conc. With Stat. <br />Difference 100°~ 12.5%, 100°,6 NA <br /> PASS PASS PASS/FAIL <br />IC25 85.3% >100% NA <br /> PASS PASS PASS/FAIL <br />STAT. METHOD USED: Statistical Diff.: Dunnett's ANOVA, Steels Rank Test IC25: ICp <br />DATE: START: 12:00 AMlPM 6 i 20100 END: 12:30 AM/PM 6 / 27 / QO <br />DILUTIONS (9'. EFFLUENT) <br />Measurements Control0% 6.25% 12.5% 25% 50% 1D0°~ Recon <br />°~ Survival for Day 1 100 100 100 100 100 95 XX <br />Survival for Day 2 100 100 100 100 98 95 XX <br />°,5 survival for Day 3 100 100 98 100 98 95 XX <br />°,6 Survival for Day 4 98 100 88 90 95 80 XX <br />% Survival for Day 8 98 100 83 83 95 75 XX <br />°.6 Survival for Day 8 98 100 83 83 95 70 XX <br />°k Survival for Day 7 95 100 83 83 95 68 XX <br />Mean 3 Brood Total )()( XX XX XX XX XX )()( <br />7 Day Mean Dry Wt 0.34 0.36 0.30 0.30 0.28 0.30 XX <br />PH MaxlMin: 8.2/7.8 8.2!7.9 8.2!7.9 8.3!8.0 8.4!8.2 8.218.1 XX/XX <br />Hardness (s) mg/L: Receiving Water: NA Effluent: 2183 Recon water. 97 <br />Alkalinity (k) mg/L: Receiving Water: NA Effluent: 263 Recon water. 74 <br />Total Ammonia as N (x) mg/L: Initial Effluent: <1.0 2nd Effluent: <1.0 Final Effluent: <1.0 <br />Total Residual Chlorine, mg1L: 100°h: <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: <br />Laboratory: THE SEACREST GROUP <br />Analyst(s): Lee Wagner, Tim Jones n <br />Signature/Date: <br />