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<br />J. Dillie <br />November 30, 1994 <br />Page 2 <br />Core Labs has analyzed three underdrain samples between 9/14 and <br />11/28, they all show cyanide levels within permit levels. Copies <br />of these results are enclosed. The DMG does not have copies of <br />these results yet because the analysis of the radio chemistry is <br />not complete. The first analysis was October 25 with 2,6 CN-wad <br />and 3.0 CN-total, November 4 with 1.8 CN-wad and 2.5 CN-total, <br />and November 14 with 2.5 CN-wad and 2.9 CN-total. <br />BMRI requests to end the addition of hydrogen peroxide to the <br />collection pond at San Luis. Daily routine inspections and <br />drive-arounds of the area by BMRI employees will continue to <br />take place. <br />Sincerely, <br />Sal es <br />Y Y <br />Environmenta Engineer <br />Enclosures <br />cc: Ann Baldrige <br />Dan Robertson <br />Alana Scott <br />