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than 16 µg/L, prior to this monitoring event, in samples collected from wells <br /> near the source of the release Monitoring data indicates that the lateral extent <br /> of D1PE impact is limited to Earthgrain's property boundaries <br /> As shown in Table 1, current depth to groundwater averages about 40 feet <br /> below ground surface (bgs) The lowest depth to groundwater, observed <br /> during our historic site monitoring, was about 60 feet bgs in December 1992 <br /> (see Historical Groundwater Elevation Data in Table 2) The PHS/EHD <br /> suggests that groundwater was at a depth of about 80 feet to 1978 <br /> Groundwater has consistently been evaluated to flow in an east-northeast <br /> direction across the site (see Figure 3) Groundwater flow has ranged from a <br /> direction of 53 degrees east of north (N53E) to N83E The historical flow <br /> direction of groundwater across the site has centered at approximately N70E <br /> r <br /> r <br /> 6 <br /> August 1999 Groundwater Monitoring Report <br /> Prepared for THE$AR'PHGRAISVS COMPANY Prepared by Philip Services Corp <br /> 8162400132\121382EG\62400345\0899MON DOC October 8, 1999 <br />