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Cecchini, Cecchuu, and Gcovannont Fue1mg Island <br /> 5.0 Summary ry and Condusio ns <br /> Based on the review of the data collected during this and previous investigations conducted at the <br /> site, ESE has the following conclusions and recommendations <br /> 5.1 Summary <br /> The average depth to ground water was approximately 68 9 feet bgs The ground water <br /> level noted this quarter have drooped approximately 0 9 feet since last quarter No free <br /> product was observed to any of the wells, <br /> 0 Ground water flow beneath the site is toward the north to northeast over the entire site and <br /> locally towards UST-1 at a gradient of approximately 0 025 feet per foot (132 feet per <br /> mile), <br /> 0 UST-1 was reported to contain only TPH-D at a concentration of 120 micrograms per liter <br /> (µgll) TPH-D was reported as non-detect in ground water samples collected from <br /> monitoring wells UST-2 through UST-4, <br /> 0 TPH-G and BTEX were reported as non-detect in ground water samples collected from <br /> monitoring wells UST-1 through UST-4, and <br /> Mr Robert Cecchmi continues to perform biweekly evacuation of water from Well UST-1 <br /> 5.2 Conclusions <br /> 0 ESE recommends continued quarterly monitoring of all monitoring wells at the site The <br /> recommended monitoring program is as follows <br /> o Quarterly water level measurements to all monitoring wells, including the small and <br /> large water supply wells <br /> • Continuance of Quarterly ground water sampling with analysis for TPH as gasoline <br /> and diesel and BTEX in wells UST-1 through UST-4, and <br /> • Quarterly reporting of all site activities related to the underground tank area (fueling <br /> island) including interim remediation <br /> f 169254001gtrly rptl3gtr95 rpt 8 Environmental Science&Engineenng, Inc <br />