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SeaCrest Project Number. 399298 <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: Cerfodaphnfa dubfa IWC: 15.D% <br />TEST RESULTS: LETHALITY GROWTH REPRODUCTION <br />Conr:. With Stat. <br />Difference >100% NA 50%, 75%, lOD% <br /> PASS PASS/FAIL PASS <br />IC25 >100% NA 34.4% <br /> PASS PASS/FAIL PASS <br />STAT. METHOD USED: Statistical Diff.: Dunnett's ANOVA IC25: ICp <br />DATE: START: 12:OD AM/PM 8 / 5 / 99 END: 12:00 AM/PM 8 / 11 / 99 <br />DILUTIONS (% EFFLUENT) <br />Measurements Control0% 12.5% 25% 50°~ 75°,f, 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 />°.6 Survival for Day 3 100 100 100 100 100 100 XX <br />% Survival for Day 4 100 100 100 100 100 100 )(X <br />% Survival for Day S 100 100 100 90 100 90 XX <br />% Survival for Day 8 100 100 100 90 100 90 XX <br />°,S Survival for Day 7 )()( XX XX XX )CX XX XX <br />Mean 3 Brood Tote) 19.2 18.9 17.1 8.9 10.9 8.0 XX <br />7 Day Mean Dry Wt )()( )p( XX XX XX XX XX <br />pH Max/Min: 7.9!!.4 8.1/7.4 8.2/7.6 8.3!1.8 8.3/8.0 8.4!/.9 XX/XX <br />Hardness (k) mg/L Receiving Water. NA Effluent: 2150 Recon water. 89 <br />Alkalinity (k) mg/L Receiving Water. NA Effluent: 154 Recon water. 36 <br />Total Ammonia as N (k) mg/L Initial Effluent: <1.0 Final Effluent: <1.0 <br />Total Residual Chlorine, mgfL 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 Spec cations: Effluent aerated prior to test set-up. Dissolved oxygen <br />level high -supersaturated. <br />Laboratory: THE SEACREST GROUP <br />Analyst(s): Felicia Remington, Jim Hamilton ~~,/ ,~ ~ a / ) <br />