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COLORADO-CDPS WET TEST REPORT FORM - CHRONIC <br />PERMITTEE:CVPrus Yampa Vallev Coal Corp. CDPS N0. CO -0036684 OUTFALL:001 <br />TYPE TEST: ROUTINE: XX ACCELERATED; TEST SPECIES:P.promelae IWC: 21% <br />TEST RESULTS: LETHALITY ,.~.~tOWTH REPRODUCTION <br />CONC.WITH STAT. <br />DIFFERENCE 50.0 % ~~ 50.0 % % <br />PASS/FAIL PASS PASS <br />IC25 28.6 % 28.2 % °s <br />PASS/FAIL PASS PASS <br />J1'A'1'. mw:7~tlVU UJ L~U: J1H11J111JLLi U1CC JLtlCl-S lULJ: DUULtiLLQU <br />DATE: START 12 :25pm/3- 16-99 END 11 :25am/3-23-99 <br /> <br /> <br /> DILUTION (% EFFLUENT) <br /> <br />M ''UREMENTS CONT ROL(0%) 12.5 °s 21 % 50 $ 75 % 100 °s <br />& SURVIVAL FOR DAY 1 100 100 100 65. 0 65.0 70.0 <br /> 2 100 100 100 7. 5 10.0 12.5 <br /> 3 97.5 97.5 100 7. 5 10.0 5.0 <br /> 4 97 5 95.0 97.5 7 .5 10.0 5.0 <br /> 5 95.0 95.0 97.5 5 .0 7.5 2.5 <br /> 6 92,5 92.5 97.5 5 .0 7.5 2.5 <br /> 7 90.0 92.5 97,5 0 .0 7.5 2.5 <br />MEAN 3 BROOD TOTAL: <br />7 d MEAN DRY WEIGHT : . 383 .388 .384 .000 .005 .000 <br />PH MAX/MIN: 8 _5/7_7 8_4/7_7 8_4/8_0 8_4/8_0 8_3/7_ 9 8_2/7_8 <br />HARDNESS (X) MG/L RECEIVI NG WATER: EFFLUENT: 1843 RECON WATER: 118 <br />ALKALINITY (X) MG/L RECEIVING WATER: EFFLUENT: 390 RECON WATER: 83 <br />T. AMMONIA as N (X) MG/L INITIAL EFFLUENT: <1.0 FINAL EFFLUENT: <1.0 <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? NO <br />IF NO, LIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />16, 1998 and was re-scheduled for March 16, 1999. <br />LABORATORY:Commercial Testing 6 Enaineerina ANALYST: (,(~1,~ <br />COM MER CIALTESTING 8 ENGINEERING CO. <br />~~~ <br />