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SeaCrest Project Number: 300429 <br />COLORADO -CDPS WET TEST REPORT FORM -CHRONIC <br />PERMITTEE: Seneca Coal Company CDPS No: 00.0000221 OUTFACE: 004 <br />TYPE TEST: Routine: XX Accelerated: Test Species: Ceriodaphnia dubfa IWC: 7.8°~ <br />TEST RESULTS: LETHALITY GROWTH REPRODUCTION <br />Conc. With Stat. <br />Difference 100% NA 25%, 50%, 100% <br /> PASS PASS/FAIL PASS <br />IC25 43.8°h NA 18.8% <br /> PASS PASS/FAIL pASS <br />STAT. METHOD USED: Statistical Diff.: Dunnett's ANOVA ,Fisher's Exact Test IC25: ICp <br />DATE: START: 14:10 AM/PM 10 / 3 / 00 END: 14:10 AM/PM 10 / 9 / 00 <br />DILUTIONS (% EFFLUENT) <br />Measurements Control0°~ 6.25% 12.5°~ 25% 50% 100°h Recon <br />°.6 Survival for Day 1 100 100 100 100 100 100 XX <br />°~ Survival for Day 2 100 100 100 100 100 100 XX <br />Survval for Day 3 100 100 100 100 90 80 XX <br />°~ Survival tar Day 4 100 100 100 100 80 60 XX <br />Survival for Day 5 100 100 100 100 80 60 XX <br />°~ Survival for Day 6 100 100 100 90 70 60 XX <br />°k Survival for Day 7 XX XX XX XX XX XX XX <br />Mean 3 Brood Total 15.4 15.4 12.0 11.1 6.5 3.6 XX <br />7 Day Mean Dry Wt XX XX XX )()( XX XX XX <br />pH MaxlMin: 7.8/7.4 7.9/7.4 8.0!7.5 8.1/7.6 8.2/7.8 8.3!7.8 XX/XX <br />Hardness (x) mg/L: Receiving Water: NA Effluent: 2507 Recon water: 90 <br />Alkalinity (~) mg/L: Receiving Water: NA Effluent: 133 Recon water: 47 <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 />Lisl Deviations From Test Specifications: Effluent aerated prior to test setup -dissolved oxygen <br />supersaturated. <br />Laboratory: THE SEACREST GROUP <br />Analyst(s): Geoff Henderson, Stacey Breslow <br />