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SeaCrest Project Number. 399209 <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: Cerlodaphnia dubla IWC: 12.3% <br />TEST RESULTS: LETHALITY GROWTH REPRODUCTION <br />Cone. With Stat. <br />Dllference >100% NA 50%, 100% <br /> PASS PASS/FAIL PASS <br />IC25 95.0% NA 23.0% <br /> PASS PASS/FAIL PASS <br />STAT. METHOD USED: Statistical Diff.: Dunnett's ANOVA, Fischer's IC25: ICp <br />DATE: START: 15:30 AM/PM 8 / 5 / 99 END: 15:50 AM/PM 6 / 11 / 99 <br />DILUTIONS ('iL EFFLUENT) <br />Measurements Control0% 8.25% 12.5% 25% 50% 100% Recon <br />% Survival for Day 1 100 100 100 100 100 100 XX <br />% Survival for Day 2 100 100 100 100 100 100 XX <br />% Survival for Day 3 100 100 100 100 100 100 XX <br />% Survival for Day 4 100 100 100 100 100 100 XX <br />% Survival for Day S 100 100 100 90 100 70 XX <br />% Survival for Day 8 90 100 100 90 100 70 XX <br />% Survival for Day 7 XX XX XX XX XX XX XX <br />Mean 3 Brood Total 22.2 20.9 21.1 15.8 12.8 4.1 XX <br />7 Day Mean Dry Wt )D( XX XX XX XX XX XX <br />pHMax/Min: 8.0!1.2 8.1/7.3 8.?17.8 8.3!7.8 8.4/8.0 8.4/8.1 X)U)(X <br />Hardness (k) mg/L Receiving Water. NA Effluent: 2528 Recon water. 89 <br />Alkalinity (R) mglL Receiving Water. NA Effluent: 153 Recon water. 42 <br />Total Ammonia as N (k) mg/L Initial Effluent: <1.0 Final Effluent: <1.0 <br />Total Residual Chlorine, mg/L 100%: <0.01 Receiving Water Used for Dilution9 N <br />Were All Test CondHion< in Conformance with Division Guidelines9 Y <br />List Deviations From Test Specifications: Effluent aerated prior to test set-up. Dissolved oxygen <br />level high -effluent supersaturated. <br />Laboratory: THE SEACREST GROUP <br />Analyst(s): Felicia Remington, Jim Han <br />,~ <br />