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_ lrfa-NPIENTAL HEALTH <br /> Via. <br /> swrrH <br /> ENVIRONMENTAL TECHNOLOGIES CORPORATION 2 <br /> t <br /> July 23, 1996 <br /> i <br /> Mr. Ronald Rowe <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P.O. Box 388 <br /> Stockton, CA 95201-0388 <br /> Subject: Second Quarter 1996 Groundwater Monitoring Report for the Fayette <br /> Manufacturing Site, 7675 West Eleventh Street, Tracy, California SITE CODE: <br /> 2233 <br /> Dear Mr. Rowe: <br /> As required by the San Joaquin County Public Health Services (PHS/EHD) and at the request of <br /> Dr. A.R. Glover, Smith Environmental Technologies Corporation has prepared this letter report <br /> summarizing the Second Quarter 1996 Groundwater Monitoring and site activities performed at <br /> the above referenced site (Figure 1). Sampling was performed to monitor the distribution of <br /> petroleum hydrocarbons in"groundwater at the site. Monitoring was performed'to determine the <br /> �•J groundwater flow direction and the hydraulic gradient in the uppermost aquifer. <br /> BACKGROUND <br /> Site Location <br /> The project site is located at 7675 West Eleventh Street, between MacArthur Drive and Chrisman . <br /> Road, in Tracy, California. The site location is shown on Figure "1. The vicinity of the site is <br /> primarily.a commercial and industrial area. The property;is owned by Dr. A.R. Glover. <br /> The site is located on generally level terrain which slopes gently toward the Tom Paine Slough, a <br /> northwest trending extension of the delta located approximately 2.5 miles north of the site. <br /> + Previous Work <br /> On October 15, 1986, two 500-gallon gasoline USTs were removed from the site. During <br /> removal of the USTs, petroleum product was noted present in the southern UST excavation <br /> (Figure 2). Soil samples were collected from 2 feet below the bottom of the USTs;and petroleum <br /> constituents.and lead were detected in the soil samples. <br /> F <br /> On July 18, 1995, Smith Environmental supervised, the installation of three groundwater <br /> monitoring wells, MW-1, MW-2,and MW-3 (Figure 2). During installation of the monitoring <br /> c <br /> w:\95122\2QMR1996.doc <br /> 1260 Graphics Drive Modesto,CA 95351-1502 (209)579-2221 •` Fax(209)579-2225 <br /> Engineering Consulting Remediation Construction <br />