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COLORADO-CDPS WET TEST REPORT FORM - CHRONIC <br />PERMITTEE:CvOrus Yampa Vallev Coal Coro. CDPS NO. CO -0027154 Oll'1'I~'A I,I,:001 <br />TYPE TEST:' ROUTINE: XX ACCELERATED: TEST SPECIES:P.oromelas _ IW('; 100% <br />TEST RESULTS: LETHALITY GROWTH QIi I11J!\1 .~.•.... <br /> iviv <br />CONC.WITH STAT. ~ 50 % 75 % <br /> <br />DIFFERENCE % <br />PASS/FAIL FAIL NA <br />IC25 26.2 % 11.8 % <br /> % <br />PASS/FAIL FAIL NA <br />STAT_ METHOD USEDc ST ATISTICAL RIFF-:DUnn eT_f•a ICI a,,,. .,. _ <br />w ti aU <br />PATE: START 2 :20Dm/10-20-98 END 1 :40om/ <br />1V • <br /> . y <br />~~-~ <br /> DILUTION (% EFFLUENT) <br /> <br />MEASUREMENTS CONTROL (0%) 12.5 % 25 % 50 $ -fit 100 <br />% SURVIVAL FOR DAY 1 100 100 100 100 10~ <br /> 100 <br /> 2 l00 100 100 97.5 87.x <br /> _ 90.0 <br /> 3 97.5 97.5 100 72.5 77 <br />5 <br /> . <br />_ 75.0 <br /> 4 95.0 97.5 100 72.5 72-;_ 45.0 <br /> 5 92.5 95.0 100 62.5 52 ~ 30.0 <br /> 6 90.0 77.5 90.0 60.0 32.5_ y2.5 <br /> 7 90.0 67.5 70.0 42.5 27,E 12.5 <br />MEAN 3 BROOD TOTAL: <br />7 d MEAN DRY WEIGHT: . 380 .279 .257 .133 .04~ 0, 27 <br />PH MAX(MIN; 8_ 4/7_2 8_1/7_4 82f7_4 8 _1/7_6 B.lj2,~ V U/7_6 <br />HARDNESS (X) MG/L RECEIVING WATER: EFFLUENT: 2258 RECON WA'I~I~I,: 113 <br />ALKALINITY (X) MG/L RECEIVING WATER: EFFLUENT: 342 RECON WA' I•I(I,: B2 <br />T. AMMONIA as N (X) MG/ L INITIAL EFFLUENT: <1.0 FINAL EFFLUICN'I':':1 .0 <br />T.RESIDUA.L CHLORINE, MG/L 100$: <0.1 RECEIVING WATER USED FOR DILU'I'Ir1N•~ (~0 <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES? Y~`~ <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY:Commercial Testing ~ Engineering ANALYST: ~~`""'~~" ~~ <br />COMMERCIALTESTING & ENGINEERING CO. <br />~~ <br />