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t 7 <br /> IF I <br /> PACIFIC ENVIRONMENTAL MANAGEMENT,INC,, <br /> 1500 West El Camino Avenue, Suite 245 � _; <br /> Sacramento, California 95833 <br /> Telephone (916) 444-1654 <br /> Facsimile (916) 648-9936 HE, C E B V E D <br /> N1 AY 0 3 199E <br /> April 30, 1996 <br /> RETECHS- L.A. <br /> Mr. William Rauch <br /> Wells Fargo Bank <br /> RETECHS - <br /> 333 South Grand Avenue, Suite 750 <br /> Los Angeles, California 90071 <br /> Subject: Results of Soil and Ground Water Sampling <br /> 2680 North Tracy Boulevard, Tracy, California <br /> FIB Project No. 9655; PEM Project No. 96-107 <br /> Dear Mr. Rauch: <br /> Pacific Environmental Management, Inc. (PEM)is pleased to present this letter report describing the <br /> results of soil and ground water sampling at the subject Property. The work was conducted on April <br /> 11, 1996 in accordance with a propdsal dated March 29, 1996, which was approved by you on April <br /> 3, 1996. The subject Property,which consists of a two-story office building and associated parking <br /> and landscaped areas, is located at the intersection of North Tracy Boulevard and Cardoza Avenue <br /> in Tracy, San Joaquin County, California(Figure 1). <br /> This report summarizes the results of soil and ground water sample,collection and analyses. Soil <br /> samples were collected using hand auger methods, under the supervision of a California-licensed <br /> well driller, as required by San Joaquin County. The soil borings (designated SB-i and SB-2 on <br /> ' Figure 2)were advanced on the assumed down gradient side of the property to approximately 10 feet <br /> below grade. The ground water flow direction was determined based on local topography and the <br /> direction of ground water flowed documented at nearby sites by reports on file with San Joaquin <br /> County. After ground water was encountered, a ground water sample was collected from each <br /> encased boring (no monitoring wells were constructed). <br /> PROJECT BACKGROUND <br /> i PEM completed a Phase I Environmental Assessment at the subject Property in February 1996. <br /> PEM documented the existence of a two-story office building constructed in 1987. Available <br /> information indicates that prior to construction of the office building, the property was used for <br /> agricultural purposes. Aerial photographs taken between 1963 and 1980 indicate the presence of a <br /> small building apparently used as a staging area for agricultural activities. It is possible that <br /> i <br /> i <br /> y <br />