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SeaCrest 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: Ceriodaphnia dubia IWC: 12.3% <br />TEST RESULTS: LETHALITY GROWTH REPRODUCTION <br />Conc. With Stat. <br />Difference 25°h NA 25%, 100% <br /> PASS PASS/FAIL PASS <br />IC25 >100°h NA 5.9°k <br /> PASS PASS/FAIL FAIL <br />STAT. METHOD USED: Statistical Diff.: Dunnett's ANOVA ,Fisher's Exact Test IC25: ICp <br />DATE: START: 13:00 AM/PM 6 / 20 / 00 END: 13:00 AM/PM 6 ! 26 / 00 <br />DILUTIONS (°/. EFFLUENT) <br />Measurements Control0°~ 6.25°~ 12.5% 25% 50% 100°~ Recon <br />°,6 Survival for Day 1 100 100 100 90 100 100 XX <br />°,6 Survival for Day 2 100 100 100 80 100 100 XX <br />°,6 Survival for Day 3 100 100 100 70 90 90 XX <br />°.6 Survival for Day 4 100 100 90 60 90 90 XX <br />°~ Survival for Day S 100 100 90 60 90 90 XX <br />°h Survival for Day 8 100 100 80 60 90 80 XX <br />Survival for Day 7 XX XX XX XX XX XX XX <br />Mean 3 Brood Total 17,9 11.6 14.7 10.1 12.9 9.1 XX <br />7 Day Mean Dry Wt )p( XX XX XX XX XX XX <br />pH Max/Min: 8.0/7.5 8.0!7.6 8.0!7.7 8.0/7.8 8.1/8.0 8.3!7.9 )W)(X <br />Hardness (k) mg/L: Receiving Water: NA Effluent: 2586 Recon water. 89 <br />Alkalinity (~) mg/L: Receiving Water: NA Effluent: 149 Recon water. 50 <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 levels high -supersaturated. <br />Laboratory: THE SEACREST GROUP <br />Analyst(s): Geoff Henderson, Stacey Breslow ~ <br />Signature/Date: <br />