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l <br />u <br />0 <br />u <br />u <br />J <br />Shaw Environmental, Inc. <br />' 4005 Port Chicago Highway <br />Concord, CA 94520 <br />Phone: 925.288.9898 <br />AVIV&Fax: 925.288.0888 <br />nvi <br />® Shaw Eronmental, Inc. DR -1 E (C E � Y E 10 <br />J U L 2 6 2004 <br />July 14, 2004 ENVIRONMENT HEALTH <br />PERMIT/SERVICES <br />Shaw Project No. 108804.01 <br />Mr. Gary Nygren <br />TAIT Environmental Systems, Inc. <br />11280 Trade Center Drive <br />Rancho Cordova, California 95742 <br />Subject: Letter Report for Soil Sampling <br />San Joaquin Parking Garage <br />121 South San Joaquin Street <br />Stockton, California 95202 <br />Dear Mr. Nygren: <br />Shaw Environmental, Inc. (Shaw) is pleased to present this letter report detailing field <br />activities and laboratory analytical results from the soil sampling activities conducted at <br />the above-mentioned parking garage (Figure 1). <br />Field activities consisted of collecting one soil sample from underneath a vapor recovery <br />tank, associated with a 10,000 -gallon gasoline underground storage tank (UST) used for <br />refueling of San Joaquin County fleet vehicles. Field activities outlined in this report <br />were performed on May 18, 2004. <br />Field Activities <br />On May 18, 2004, Shaw personnel arrived at the site in order to collect the soil sample. <br />Prior to Shaw's arrival, TAIT Environmental Systems, Inc. (TAIT) personnel had <br />uncovered and removed the vapor recovery tank. Native soils encountered below the <br />base of the tank consisted of a light brown, loose sandy clay with gravel. No petroleum <br />odors or discoloration were noted with the soils. <br />One soil sample was then collected from one foot below the base of the excavation under <br />the direction and supervision of Ms. Dina Abate of the San Joaquin County <br />Environmental Health Department. The soil sample was collected by advancing a boring <br />1 foot below the base of the excavation using a hand auger, and then using a slide <br />CNCD:\SHARE\UST\04-0130.doc <br />A Shaw Group Company <br />