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' Job No. 4780201 • • 2 <br /> ' 2.0 SITE LOCATION AND DESCRIPTION <br /> The subject site is located at 820 South American Street in Stockton, California <br /> (see Figure 1), and is identified as Assessor's Parcel Numbers 147-292-9, 10, <br /> ' and 11 . The site is located in an area zoned for Commercial and Industrial <br /> uses. The site is occupied by three buildings and a yard area. <br /> 2.1 Site Background <br /> Prior to 1992, the site was occupied by Seibold Corporation. Three fuel <br /> Underground Storage Tanks (USTs), used by Seibold and containing gasoline <br /> ' and diesel, were reportedly removed from the site in 1989 and 1990. Based on <br /> the results of tank removal soil sample analyses, additional investigation of the <br /> site was mandated by San Joaquin County Environmental Health Division <br /> (SJCEHD). In January of 1993, EZC, Inc. collected soil samples from four <br /> ' borings and an existing stockpile of soil generated during tank removal <br /> operations, and in April of 1993, E2C, Inc. collected four additional soil <br /> ' samples and a grab groundwater sample. The results of this sampling <br /> indicates that soil and groundwater impact exists at the subject site. <br /> 1 <br /> 2.2 Proposed Scope of Work <br /> The proposed investigative approach, and all variations deemed necessary, will <br /> be consistent with the following governmental guidelines: <br /> • The Tri-Regional Water Quality Control Board (RWQCB) document <br /> ' entitled, "Staff Recommendations for Initial Evaluation and Investigation <br /> of Underground Tanks" (August 10, 1990). <br /> 1 <br /> E,C, Inc. April 4, 1997 <br />