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• GEOTHASE <br /> ENVIRONMENTAL <br />' REPORT <br />' Soil Boring Installation <br /> 612 N. Buena Vista Avenue <br />' Stockton CA <br /> (APN No.: 135-080-03) <br /> GPF Project No. 480.2 <br /> March 9, 2005 <br />' 1.0 INTRODUCTION <br />' The Property consists of a single parcel of industrial use Property encompassing <br /> a total area of about 0.8 acre. It is on the east side of Buena Vista Avenue at the <br /> . terminus against the deep water turning basin and just south the intersection <br /> with Fremont Street. A water softener company, (Valley Water Treatment) <br /> occupies a portion of the lot. <br />' 1.1 Site Conditions <br /> A Phase I ESA dated January 3, 2005 identified the former presence of a <br /> underground gasoline tank that was removed under County supervision. Low <br /> levels of petroleum hydrocarbons leaked to impact the soil. No action was <br /> undertaken at the time of the tank removal to investigate the extent of the <br /> impacted soil. The County does not consider the site to be contaminated but has <br /> declined to issue a closure certificate pending additional investigation. <br /> To further investigate this former tank, as well as a concrete-lined brine pit on <br /> the site a series of three machine-drilled soil boxings were recommended. This <br /> report documents the installation of the soil borings and collection and analysis <br /> of the samples. <br /> 1.2 Scope of Work <br /> A Work Plan dated February 8, 2005 was prepared and submitted to the San <br /> Joaquin County Department of Environmental Health along with an application <br /> for a drilling permit. The Work Plan set forth the following proposed Scope of <br /> • Work: <br /> 2937 Veneman Ave.; #B240 Geo-Phase Environmental Inc. Phone (209) 569-0293 <br /> Modesto, CA 95356 Fax (209) 569-0295 <br />