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COLORADO-CDPS WET TEST REPORT FOFS7 - CHRONIC <br />PERMITTEE:Cw rus Twentvmile Coal Co. CDPS NO. CO -0042161 OUTFALL:001 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECIES: C.dubia IWC: 47% <br />TEST RESULTS: LETHALITY GROWTH REPRODUCTION <br />CONC.WITH STAT. <br />DIFFERENCE 75.0 % % 47.0 °s <br />PASS/FAIL PASS N/A <br />IC25 36.8 % % 37.4 % <br />PASS/FAIL FAIL N/A <br />S'1'H'1'. C~Y~"1"t1VL USCU: ,~'1"H'1'1 J'1'11:H1, ulr"r~. :risnersiateei's 1(.G~: ki00tStrap <br />DATE: START 12:15Dm/3-16-99 END 10:15am / 3-24-99 <br /> <br /> <br /> DILUTION (% EFFLUENT) <br /> <br />MEASUREMENTS C ONTROL(0%) 12.5 % 25 % 47 % 75 % 100 <br />SURVIVAL FOR DAY 1 100 100 100 90 80 0 <br /> 2 100 100 100 90 80 0 <br /> 3 100 100 100 90 60 0 <br /> 4 80 100 100 60 60 0 <br /> 5 BO 100 100 60 30 0 <br /> 6 80 100 100 60 20 0 <br /> 7 80 100 100 50 20 0 <br />MEAN 3 BROOD TOTAL: 10.5 20.1 14.6 2. 3 0.0 0.0 <br />7 d MEAN DRY WEIGHT : <br />PH MAX/MIN: 8_5/7_8 B_8f8_4 8_9/8_ 5 9_lf8 _5 9_1/8 _4 8_7/8_4 <br />HARDNESS (X) MG/L RECEIVING WATER: EFFLUENT: 713 RECON WATER: 118 <br />ALKALINITY (X) MG/L RECEIVING WATER: EFFLUENT: 952 RECON WATER: 83 <br />T. AMMONIA as N (X) MG/L INITIAL EFFLUENT: -S.0__ FINAL EFFLUENT: X5.0 <br />T.RESIDUAL CHLORINE, MG/L 100%: <0.1 RECEIVING WATER USED FOR DILUTION? NO <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? YES <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY:COmmercial Testing 6 Engineering ANALYST: <br />COM MERCIAL TES TING 8 ENGINEERING CO. <br />~~~ <br /> <br />