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FINAL REMEDIATION PLAN
<br /> 1399 East Yosemite Avenue Manteca California
<br /> 2.0 BACKGROUND
<br /> The current phase of the investigation is part of a continuing environmental assessment
<br /> ' of the site Previous investigations have been conducted by NGA, ETS, and Delta
<br /> Environmental work completed at the site has been reported as follows
<br /> ' November 14, 1988 "Preliminary Hydrologic Assessment Workplan," Moore
<br /> Petroleum, 1399 E Yosemite Avenue, Manteca, California, by
<br /> Delta Environmental Consultants, Inc
<br /> July 25, 1989 "Preliminary Hydrologic Assessment Report," Moore
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<br /> Petroleum, 1399 E Yosemite Avenue, Manteca, California, by
<br /> ' Delta Environmental Consultants, Inc
<br /> September 29, 1990 "Problem Assessment Report," Moore Petroleum, 1399 E
<br /> Yosemite Avenue, Manteca, California, by Nations
<br /> Groundwater Associates
<br /> ' April 18, 1991 "Quarterly Groundwater Monitoring Report," 1399 E Yosemite
<br /> Avenue, Manteca, California, by Aegis Environmental, Inc
<br /> June 28, 1991 "Quarterly Groundwater Monitoring Report," 1399 E Yosemite
<br /> Avenue, Manteca, California, by Aegis Environmental, Inc
<br /> ' October 19, 1991 "Problem Assessment Report,"Moore Petroleum, Inc , 1399 E
<br /> Yosemite Avenue, Manteca, California, by Aegis
<br /> ' Environmental, Inc
<br /> December 31, 1991 "Quarterly Groundwater Monitoring Report," by Aegis
<br /> Environmental, Inc
<br /> 2.1 Site Description
<br /> ' The site facilities include a station building, three underground fuel storage tanks, and
<br /> retail fuel dispenser islands (Figure 2) The site owner has plans for demolition of the
<br /> ' existing station building and construction of a new structure and an additional parking
<br /> area at the north end of the site Construction is planned for the spring of 1992
<br /> ' To date, a total of five groundwater monitoring wells have been installed at the site
<br /> (Figure 2) Monitoring wells MW-2 and MW-3 are 2-inch-diameter wells, MW-4 and MW-5
<br /> are 4-inch monitoring wells, and MW-1 B is a 6-inch-diameter monitoring/recovery well
<br /> ' Due to the planned improvements at the site, well MW-3 is to be abandoned
<br /> 90-098F RPT 2
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