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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: Pfinepha/ea promefaa IWC:12.3% <br />TEST RESULTS: LETHALITY GROWTH REPRODUCTION <br />Cone. With Stet. <br />Differenee >100% >100% NA <br /> PASS PASS PASS/FAIL <br />IC25 >100% >100% NA <br /> PASS PASS PASSIFAIL <br />STAT. METHOD USED: Statistical Diff.: Dunnett's ANOVA, Steel's Rank Test IC25: ICp <br />DATE: START: 12:30 AM/PM 6 / 5199 END: 12:30 AM/PM 6 / 12 / 99 <br />DILUTIONS (X EFFLUENT) <br />Measurements Control0% 8.25% 12.5% 25% 50% 100% Recon <br />% Survival for Oay 1 100 100 100 100 100 100 XX <br />°,6 Survival for Day Z 100 100 100 100 100 100 XX <br />% Survival for Day 3 100 100 100 100 100 100 XX <br />°.i Survival for Day 4 100 100 100 95 100 100 XX <br />% Survival for Day 3 100 98 100 95 100 100 XX <br />°~ Survval for Day 8 98 95 100 95 i 00 100 XX <br />% Survival for Day 7 98 95 100 95 98 100 XX <br />Mean 3 Brood Total )0( )()( )0( )p( )()( )()( )0( <br />7 Dey Mean Dry Wt 0.48 0.44 0.44 0.45 0.43 0.46 XX <br />pH Max/Min: 8,217.3 8.2/7.3 8.3/7.3 8.3/7.4 8.4!7.5 8.4/8.0 XXDtX <br />Hardness (sz) mg/L Receiving Water. NA Effluent: 2528 Recon water. 88 <br />Alkalinity (R) mglL Receiving Water. NA Effluent: 153 Recon water. 63 <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 Dilution? N <br />Were All Test Conditions in Conformance with Division GuidelinesT Y <br />I :v Ate..: <br />level high -effluent supersaturated. Test aerated starting Day 2 when DO dropped below 4.5 <br />mg/L. <br />Laboratory: THE SEACREST GROUP <br />Analyst(s): Geoff Henderson, Kevin Olmstead <br />Signature/Date: <br />