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COLORADO - CDPS WET TEST REPORT FORM - ACUTE <br />PERMITTEE: Trap per Mining Inc. CDPS NO. CO-0032115 OUTFALL: 021 <br />TEST TYPE: ROUTINE XX ACCELERATED TEST SPECIES: Fathead Minnows <br /> <br />TEST RESULTS i LETHALITY <br />LC50 >100% <br />Pass/Fail Pass <br />TEST TIME & DATE START 04/22/08 END 04/26/08 <br />10:00 AM 10:00 AM <br />DILUTION (% EFFLUENT) <br />MEASUREMENTS CONTROL li 12.50..°!0 2540°/x- 50.000/0 75.00% 100%. <br />4-hour 100 100 100 100 100 100 <br />48-hour 100 100 100 100 100 100 <br />72-hour 100 100 100 100 100 100 <br />96-hour 100 100 100 100 100 100 <br />Inl Wnyimum/Minimum) 1 8.049-8.350 1 8.079-8.233 1 8.091-8.327 1 8.273-8.331 1 8.193-8.357 1 7.996-8.319 II <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: 637.07 MHW WATER: 101.25 <br />ALKALINITY (MG/L) EFFLUENT: 57.79 MHW WATER: 54.18 <br />T. AMMONIA (MG/L) INITIAL EFFLUENT: <1.0 FINAL EFFLUENT: <1.0 <br />T.RESIDUAL CHLORINE (MG/L) EFFLUENT: <0.1 <br />LABORATORY: ENVIRO-CHEM ANALYTICAL, INC. ANALYST: ?:7(??? 6?ic2?ln