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Although TRPH and VOCs were detected in soil collected from the capillary fringe, they were <br />not detected in groundwater (Section 3.3). The 'TRPH, VOC, and acetone detections in the capillary <br />fringe may be the result of migration of impacted groundwater during a time of higher groundwater <br />elevation or alternate flow direction. <br />Arsenic was detected in groundwater at concentrations above the MCL in MW-1 and MW-4. The <br />distribution of arsenic appears limited to these wells. Additional analysis for arsenic is needed to confirm <br />its presence its presence. The concentration of total sulphur and sulphate are within the range found in <br />natural waters. <br /> <br />December 20, 1991 SAC28.0I3 <br />19 <br />DAMES Mr.?(-)P.E.