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COLORADO -CDPS WET TEST REPORT FORM -ACUTE <br />PERMITTEE Bear Coal Mlne CDPS NO CO-0041377 OUTFALL OQ1 <br />TEST TYPE: ROUTINE ~X ACCELERATED _ TEST SPECIES Fathead Minnows <br />TEST RESULTS LETHALRY <br />LC50 .;00°x, <br />PaSS1Fa0 p~ <br />TEST TIME 8 GATE START SeOt 13 20_QE END ,~gpt 17 2006 <br />1'30 PM -1 3p PM <br />DILUTION (9b EFFLUENT) <br />MEASUREMENTS <br />4-hour CONTROL <br />100 6.50% <br />100 13.009E <br />100 26.00% <br />100 50.009E <br />100 1009E <br />100 <br />B-h0ur 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 />H Maximum/Minimum 7.82-7.88 7 81-7.99 8.02.8.13 8.06-8.22 8.42-8.55 8.78-8.83 <br /> <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 />HARDNESS (MG/L) EFFLUENT 288 MHW WATER 80.5 <br />ALKALINITY (MG/L) EFFLUENT 1822 MHW WATER 78.8 <br />T AMMONIA (MG/L) INITIAL EFFLUENT <1.0 FINAL EFFLUENT. <1.0 <br />T RESIDUAL CHLORINE (MGIL) EFFLUENT: <0 02 <br /> ~J~ ~ <br />~ <br />LABORATORY ENVIRO-CHEM ANALYTICAL, INC. ANALYST <br />~ <br /> <br />