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COLORADO - CDPS WET TEST REPORT FORM - CHRONIC <br />Permitee: Twentymile Coal Company - Site 62 <br />CDPS Number: CO - 034142 <br />Outfall: <br />Type of Test: <br />Test Species: <br />Site 62 <br />Routine - Quarterly <br />Ceriodaphnia dubia <br />3'd Quarter 2014 <br />Lot #: 080514 -1 abc <br />Test Results <br />Survival <br />Reproduction <br />Statistical Method <br />IC25 Point Estimate <br />>100% <br />43.84% <br />Linear Interpolation <br />Pass /Fail <br />PASS <br />NA <br />Concentration with Least Statistical Merence (LOEC) <br />>100% <br />50% <br />Fisher's Exact Test <br />Pass /Fail <br />PASS <br />NA <br />Concentration with NO Statistical Difference (N DEC) <br />100% <br />26% <br />DunnetPs Test <br />Pass /Fail <br />PASS <br />NA <br />Ceriodaphinia dubia Daily Percent Survival ( %) <br />Receiving Water used for dilution? NO Total Residual Chlorine: ND <br />Hardness (mg/L <br />Control <br />12.5% <br />25% <br />50% <br />75% <br />100% <br />Initial <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />Day 1 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />Day 2 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />Day 3 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />Day 4 <br />100 <br />100 <br />1 100 <br />100 <br />100 <br />100 <br />Day 5 <br />100 <br />100 <br />100 <br />100 <br />100 <br />100 <br />Day 6 <br />100 <br />100 <br />100 <br />100 <br />100 <br />90 <br />Day 7 <br />100 <br />100 <br />100 <br />100 <br />100 <br />90 <br />Mean 3 Brood Total <br />38.4 <br />37.6 <br />34.0 <br />27.1 <br />22.3 <br />9.9 <br />pH (minimum/maximum ) <br />7.9/8.3 <br />7.9/8.4 <br />1 7.9/8.5 <br />7.9/8.6 <br />7.8/8.7 <br />7.8/8.8 <br />Receiving Water used for dilution? NO Total Residual Chlorine: ND <br />Hardness (mg/L <br />Rec Water <br />NA <br />Effluent <br />2558.57 <br />MHFSW <br />99.30 <br />Alkalin' (mg/L <br />Rec Water <br />NA <br />Effluent <br />I <br />288.01 <br />1 <br />MHFSW <br />56.05 <br />I <br />Ammonia (mg/L <br />Rec Water <br />NA <br />Effluent <br />0.02 <br />MHFSW <br />ND <br />Were all test conditions in conformance with division guidelines? YES <br />If "NO ", list deviations from test specification: NA <br />Laboratory: Aqua -Tox, Inc. <br />Analysts: <br />Theran Gay Date <br />