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SeaCrest Project Number. 399208 <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: Plmepha/es promelas IWC: 9.3% <br />TEST RESULTS: LETHALITY GROWTH REPRODUCTION <br />Conc. WMh Stet. <br />Dlffarence >100% >100% NA <br /> PASS PASS PASS/FAIL <br />IC25 >100% >100% NA <br /> PASS PASS PASS/FAIL <br />STAT. METHOD USED: Statistical Diff.: Dunnett's ANOVA, Steels Rank Test IC25: ICp <br />DATE: START: 12:00 AM/PM 6 / 5 / 99 END: 12:00 AM/PM 6 / 12 / 99 <br />DILUTIONS (% EFFLUENT) <br />Measuremerrts Con1ro10% 6.25% 12.5% 25% 50% 100% Recon <br />% Survival for Day 1 100 100 100 100 100 100 XX <br />% Survival for Day 2 100 98 100 100 98 100 XX <br />% Survival for Day ~ 100 98 100 100 98 100 XX <br />•,6 Survival for Day 1 100 98 100 100 98 100 XX <br />% survival for Day a 100 98 100 100 98 100 XX <br />% Survival for Day 8 100 95 100 100 98 100 XX <br />% Survival for Day 7 100 95 1 OD 98 98 98 XX <br />Mean 3 Brood Total XX XX XX XX XX XX XX <br />7 Day Mean Dry Wt 0.48 0.42 0.40 0.45 0.42 0.48 XX <br />pH MaxlMin: 8.2!7.2 8.3/7.3 8.3/7.3 8.4!/.6 8.4!1.6 8.4!1.8 )W)(X <br />Hardness (k) mg/L Receiving Water. NA Effluent: 2013 Recon water. 88 <br />Alkalinity (si) mg/L Receiving Water. NA Effluent: 221 Recon water. 63 <br />Total Ammonia as N (R) mglL 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 Guidelines? Y <br />level hlgh -effluent sypersaturated. Test aerated starting Day 2 when DO dropped below 4.5 <br />mgiL <br />Laboratory: THE SEACREST GROUP <br />Anayst(s): GeoN Henderson, Kevin Olmstead <br />SignaturelDate: <br /> <br />