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TABLE 1 <br />OXBOW MINING, LLC., CO-0000132 <br />MAY 9, 2011 SEDIMENTATION POND DISCHARGE <br /> <br />Constituent Primary Effluent <br />Limit Alternative Effluent <br />Limit Outfal1012 <br />Pond B <br />TSS 35/70 mg/1 Report 74 mg/1 <br />Total Iron 3500-7000 ug/1 Report 1,500 ug/1 <br />Settleable <br />Solids Report <0.5 m1/1 <0.1 ml/1 <br />pH 6.5-9 6.5-9 8.12 <br />TABLE 2 <br />LOCAL RECEIVING STREAMS COMPARISON <br /> <br />Constituent Elk Creek <br />April 19, 2011 North Fork of the <br />Gunnison River <br />April 16, 2011 Outfall 012 <br />Pond B <br />TSS 1,766 mg/1 546 mg/1 74 mg/1 <br />Total Iron 74,000 ug/1 13,910 ug/1 1,500 ug/1 <br />PH 7.68 7.633 8.12 <br />• Page 3 <br />