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COLORADO - CDPS W ET TEST REPORT FORM -ACUTE <br />PERMITTEE Snowcau Coal Comoanv CDPS NO. CO-00 27146 OUTFACE: 016 <br />TEST TYPE ROUTINE X~( ACCELERATED _ TEST SPECIES. Fathead Minnows <br />TEST RESULTS LETHALITY <br />LC50 ~ 1 OG :'~ <br />PasslFa~l pau <br />TEST TIME 8 DATE START Aoril 13. 20.04 END Aoni t7 2004 <br />1 a5 A".1 tt i ?0 AU1 <br /> <br />MEASUREMENTS <br />24•hour <br />CONTROL <br />tOC DILUTION (% EFFLUENT; <br />.0.20% ~ 25.00X' <br />100 100 <br />60.00% <br />tOC <br />T5.00°h <br />100 <br />100% ~ <br />t00 <br />6-hour 100 100 100 100 100 100 <br />72-hour 100 100 100 100 100 100 <br />96-hour 100 100 100 t00 100 100 <br />H (Maximum/Minimum) 7.72-7.82 7.71-8.45 7.44-8.62 7.48-8.81 7.47-8.83 7.30-8.86 <br />RECEIVING WATER USED FOR DILUTION? NO <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WITH DIVISION GUIDELINES YES <br />IF NO, LIST ALL DEVIATIONS. <br />HARDNESS (MG;L) EFFLUENT 51.3 MHW WATER 89.4 <br />ALIWLINITY (MGlL) EFFLUENT 1285 MHW WATER 73.5 <br />T AMMONIA (MGlLI INITIAL EFFLUENT <1.0 FINAL EFFLUENT c1.0 <br />T.RESIDUAL CHLORINE (MG/L) EFFLUENT: <0.1 <br /> ~a <br />LABORATORY' ENVIRO-CHEM ANALYTICAL, INC. ANALYST. r~ X~I i i ~9 <br />~~~rJ'(!l)71~t <br />