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COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE Trspper Mining Inc. CDPS NO CO-0032115 OUTFALL 021 <br />TEST TYPE ROUTINE XX ACCELERATED _ TEST SPECIES: FsM~estd YMrrtors <br />TEST RESULTS LET}1ALRY <br />LC50 > 100% <br />PasslFaii Pass <br />TEST TIME 8 DATE START May 3", 2g_~p END Mav 7. 2006 <br />1200 PM 12'.00 PM <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS <br />4-hour CONTROL <br />100 72-SO'% <br />100 ZS.O~% <br />100 'SO-OM!< <br />100 75.00% <br />100 100X <br />100 <br />hour 100 100 100 100 100 100 <br />72-hour 95 100 100 100 100 100 <br />96 hcwr 95 100 100 100 100 100 <br /> <br />off (M:~cunum/Mmrmum) 7.83$.02 7.51$ 18 7.468.10 750-8.05 7648.06 7.72-7.97 <br />RECEIVING WATER USED FOR OILUTION~ NO <br />WERE ALL TEST CONDITIONS IN CONFORMANCE WIT H DIVISION GUIDELINES YES <br />IF NO. LIST ALL DEVIATIONS <br /> <br />HARDNESS (MG/L) EFFLUENT 388.9 MHW WATER: 80.2 <br />ALKALINITY (MG/Ll EFFLUENT 289 MHW WATER: 67 <br />T AMMONIA (MGIL) INITIAL EFFLUENT' <1.0 FINAL EFFLUENT <7.0 <br />T RESIDUAL CHLORINE (MG~I.) EFFLUENT: <0.1 <br /> - ~,; <br />~ <br />' <br />' <br />" <br />LABORATORY EM/IRO-CHEM ANALYTICAL, INC. ANALYST ~ f LLc- 1 /~ i <br />/ <br />!_ <br />/ ~ <br />~-- <br />