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a <br /> INTERI\TfONAL TECHNOLOGY CORPORATION <br /> 1.0 Introduction <br /> IT Corporation was retained by Pacific Bell in October 1992 to generate a work plan for <br /> t <br /> a offsite investigation surrounding their site No. UE042, located in Stockton, California. <br /> Generation of the work plan is required under San Joaquin County Public Health Services - <br /> i <br /> Environmental Health Division guidelines to further address the discovery of diesel fuel in <br /> soil beneath fuel tanks, in September 1987. The following work plan will address procedures <br /> to further assess site soil and groundwater quality, and will discuss a plan for presentation of <br /> results, conclusions and recommendations. <br /> k., 1.1 Site Location <br /> Pacific Bell facility UE042 is located at 345 North San Joaquin Street in downtown Stockton, <br /> California (Figure 1). The site (parcel No. 139-140-01) lies approximately 1,000 feet east of <br /> McLeod Lake, which is the eastern end of the Port of Stockton slough. The site is located in <br /> The Stockton 7.5-minute USGS topographic sheet and is located in Subsection D, Section 2, <br /> Township 2 North, Range 6 East of the Mt. Diablo baseline and meridian. <br /> The site lies at approximately 12 feet mean sea level and is essentially flat. Ground <br /> elevations increase very little within several miles of the site. <br /> L <br /> 1.2 Site Description <br /> Pacific Bell facility UE042 occupies one half a city block and is flanked by North San <br /> Joaquin Street, Lindsey Street, and Hunter Street (Figure 2). A large building occupies <br /> almost the entire site except for a microwave tower in the rear of the building. Occupying <br /> the same block are law offices and a car dealership. The properties surrounding this block <br /> consist of a car dealership, commercial establishments, a bank, a park, county and federal <br /> buildings. Several UST's have been identified near the site with the nearest one located at a <br /> • distance of 300 feet. <br /> California Water Company Records indicate that there are no groundwater supply wells <br /> within a mile of the site. State Water Resources Control Board records show that water wells <br /> are (or were) present in the state hospital properties located approximately 2,000 feet <br /> 1 <br /> northeast of the site. Water wells also occur approximately 2,000 feet to the east of the site. <br /> r <br /> MZM9-28-971ENG/9783.MM 1 <br />