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COLORADO-CDPS WET TEST REPORT FORM - CHRONIC <br /> <br />PERMITTEE:Cwrus Yamoa Valley Coal Corp. CDPS NO. CO -0036684 OUTFALL :001 <br />TYPE TEST: ROUTINE: XX ACCELERATED: TEST SPECI ES:C.dubia IWC: 21% <br />TF.FT RESULTS: LETHALITY GROWTH RRPROnnnTrnla <br />CONC.WITH STAT. <br />DIFFERENCE 100 °s % 100 % <br />PASS/FAIL PASS PASS <br />IC25 85.9 % % 93.3 % <br />PASS/FAIL PASS PASS <br />S'1'H'1'. M~'1'tIVU USCU: J'1'H'1'151'11:b1L lllh'b'.: N'1 Srier' 6/UUnnett' 6ICl5: 800t6traD <br />DATE: START 12:lOpm/3-16-99 END 12: 15Dm/ 3-23-99 <br /> <br /> <br /> DILUTION (% EFFLUENT) <br /> <br />MEASUREMENTS CONTROL (0's) 12.5 % 21 % 50 % 7S % 100 % <br />$ SURVIVAL FOR DAY 1 100 100 100 100 100 100 <br /> 2 100 100 100 100 100 60 <br /> 3 90 90 100 100 100 60 <br /> 4 90 90 100 100 100 40 <br /> 5 90 80 100 100 100 40 <br /> 6 90 80 100 100 100 40 <br /> 7 90 80 100 100 100 40 <br />MEAN 3 BROOD TOTAL : 12.6 13.1 20.6 20.4 20.5 5.5 <br />7 d MEAN DRY WEIGHT: <br />PH MAX/MIN: 8_5/7_8 8_5/7_7 8_6/8_0 8_7J8_0 8_SJ7_9 8_4/7_8 <br />HARDNESS (X) MG/L RECEIVING 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 INLTIAL 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: The initial Ceriodaohnia <br />LABORATORY:COmmercial Testing 6 Engineering ANALYST: l.(~~ A-I~uJL <br />COM MER CIALTESTING 8 ENGINEERING CO. <br />__ /I~~ <br />