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l' <br />COLORADO -CDP9 WET TEST REPORT FORM-CHRONIC <br />pERMfTTR.R; Cyprus Yampa Valley Coal Coro CDPS NO. CO-0027154 OUTFACE: Q <br />TYPE TEST: ROUTINE: ~X ACCELERATED;_ TEST SPECIES; P• melas <br />TEST RESULTS ~ LETHALITY GROWTH STAT)<,9TICAL METHOD <br />Concentration with Statistical Difference >100% 100% Steel's/Dynnett's <br />Pase/Fail Pass N/A <br />ICu 94,5% 93.4% Bootstra <br />Pass/Faii Fail NIA <br />TEST TIlViE & DATE START 1035 AM 06/15/99 END 0855 AM 06/22/99 <br />DII,UTION (% EFFLUENT) <br />MEASUREMENTS CONTROL 12.5% 25% 50% 75% 100% <br />Da 1 % Survival 100 100 100 100 100 100 <br />Da 2 100 100 100 100 100 97.5 <br />Da 3 100 100 100 100 100 90.0 <br />Da 4 100 100 100 97.5 87.5 77,5 <br />Da 5 100 100 85,0 92.5 85.0 75,0 <br />Da 6 97.5 100 80.0 90.0 85.0 70,0 <br />Da 7 95.0 100 80,0 67,5 85,0 70.0 <br /> <br />7 Da Mean D Wei ht 0;512 0,466 0.488 0,517 0.479 0.350 <br /> <br />H imum/MinimUm 8.4/7.8 8.8/8.2 8.9/8.6 9.0/8.7 9.1/8,7 9.2/8,7 <br />RECEIVING WATER USED FOR DILUTION? ISO TOTAL RESIDUAL CI' (mg/l): <6 } <br />HARDNESS (m¢/11• REC'V WATER EFFI,L~-~T~ 142 RECON WATER 108 <br />Ai.KAi.ITiTTy (~/~~ RBC' V WATER: EFFLUENT' 1235 RHCON WATER• 87 <br />TOT. AMMONIA (~~l' INITLAL 100%' art 0 FINAL 100%• rb2 0 <br />WERE ALL TEST CONDTfI0N5 IN CONFORMANCE WITH DIVISION GUIDELWES7 Y~~S <br />IF NO, FIST DEVIATIONS FROM TEST SPECIFICATIONS: <br />LABORATORY; COMMERCIAE TESTING & ENGINEERING ANALYST: CL4,,,~ <br />4/14199 <br />COMM[gC1AL Ti STING 8 [NOIN![RINO CO. <br />ICgpl°tl Copy Wetemwkeo <br />For Y°Vr AaleGptt <br />'IC6 <br />