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,... <br /> _ Although T"H 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 /> i <br /> J <br /> J <br /> SAC28.013 <br /> 19 December 20, 1991 <br /> -• <br />