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INITIAL SUBSURFACE INVESTIGATION OF <br /> PETROLEUM HYDROCARBONS <br />' SITE NO's. 2 and 3 (SI'T'E CODE 1282-124) <br /> PORT OF STOCKTON <br /> Site 2 - Near Port Roads G and 13 <br /> Site 3 - Near Port Roads G and 14 <br /> Stockton, San Joaquin County, California <br /> 1 <br /> 1.0 INTRODUCTION <br />' This report has been prepared by BoyaJian & Ross, Inc. (B&R) at the request of Mr. Jay <br /> Jahangin, Director of Environmental and Regulatory Affairs of the Port of Stockton (Port) <br />' The report presents activities and findings of soil and groundwater sampling near former <br /> underground storage tanks (USTs) located at two separate and distinct sites within the Port <br /> complex (Figure 1) The sampling was conducted in general accordance with the "Work Plan <br />' for Initial Subsurface Investigation of Petroleum Hydrocarbons," dated June 30, 1998, and a <br /> Work Plan Addendum dated July 15, 1998 (hereafter collectively referred to as the "Work <br /> Plan") The Work Plan was approved by San Joaquin County Public Health Service, <br /> Environmental Health Division (PHS/EHD) on July 15, 1998. A boring permit was approved <br /> by PHS/EHD on July 28, 1998 <br />' The Port removed one UST from Site 2 in 1987 and two UST's from Site 3 in 1988. Analyses <br />' of soil samples collected from beneath these tanks indicated detectable levels of petroleum <br /> hydrocarbon compounds (PHCs) Based on these findings, a "Notice of Responsibility" was <br /> issued to the Port by PHS/EHD on January 26, 1998 The letter accompanying the Notice <br />' requested a work plan for investigation of the lateral and vertical extent of contamination at the <br /> site. The purpose of this report is to present the results of the investigation and to comply with <br /> the requirements of the "Notice of Responsibility." The report reviews the background and <br />' project history at the sites, summarizes the activities and findings of the soil and groundwater <br /> sampling, and provides recommendations on whether further site investigation or remedial <br />' action is needed at each site <br /> 1 <br /> 1 98117MNVRPTSW3UST1N RPT <br /> BOYAJIAN & ROSS, INC <br />' Environmental Scientists & Engineers <br />