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_ 21 November 1996 AGE-NC Project No. 95-0106 Page 3 of 4 4.0. CONCLUSIONS AND RECOMMENDATIONS 4.1. CONCLUSIONS The following conclusions were drawn from the results of this investigation: • On 05 November 1996, ground water flow direction at the site was toward the north to northwest. Based on data from other sites in the area, it is likely that the flow direction varies seasonally from northeast to northwest. _ 0 Analytical data from well MW-3 limits the extent of dissolved hydrocarbons toward the northeast of the site. • Analytical data from well MW-2 limits the extent of dissolved hydrocarbons south (up- gradient) of the former UST area. 4.2. RECOMMENDATIONS •r Based on the results of this investigation, AGE recommends the following: • Two additional ground water monitoring wells should be installed at the site to determine the lateral extent of dissolved hydrocarbons. One well should be installed in the north end of the property located directly west of 104 West Beverly; a second well should be installed at the western edge of the drive way,at the northern end of the property at 104 West Beverly. Consideration, should be given to installing a monitoring well at the northwest corner of the fornler UST excavation. • Additional ground water monitoring wells, with discrete screen intervals located below the depth of the first ground water encountered, may be required to assess the vertical extent of dissolved hydrocarbons. • The next quarterly monitoring should be scheduled for February 1997; and the proposed wells should be developed and sampled directly following installation. 5.0. LIMITATIONS Our professional services were performed using that degree of care and skill ordinarily exercised by ._ environmental consultants practicing in this or similar localities. The findings were based upon analytical results provided by an independent laboratory. Evaluations of the geologic/hydrogeologic