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—fes u�■ <br /> �JMI `, <br /> From Science to Solutions <br /> HPP-BTR OVP MP#217.9 <br /> Tracy Byron Road <br /> Reports <br /> Accession#0610220091222.001 <br /> December 29, 2009 <br /> Mr. Michael Infurna <br /> San Joaquin County Environmental Health Department <br /> 600 East Main Street <br /> Stockton, California 95202 <br /> Subject: Well Permit Applications for Tracy Byron Road <br /> Tracy, San Joaquin County, California <br /> Dear Mr. Inf ima: <br /> At the request of Chevron Environmental Management Company(CEMC), Science <br /> Applications International Corporation(SAIC) prepared well permit applications for the <br /> advancement of three temporary vertical soil borings (SB-42, SB-43, and SB-45). The <br /> borings will be located on assessor's parcel numbers 238-050-01, 238-050-09, and 238- <br /> 050-22 in Tracy. SB-42 will be located at 2774 W. Byron Road, SB-43 at 2684 W. <br /> Byron Road, and SB-45 at 2430 W. Byron Road. The boring locations are indicated on <br /> Figure 3 of the work plan. <br /> The temporary borings will be advanced to approximately 35 feet below ground surface <br /> using Geoprobe®direct-push drilling equipment. Grab groundwater samples will be <br /> collected from the borings using a peristaltic pump as soon as the groundwater has <br /> equilibrated. After collecting the grab groundwater sample, the soil borings will be <br /> backfilled with neat cement according to San Joaquin County Environmental Health <br /> Department(SJCEHD) guidelines. <br /> The drilling subcontractor for this project is WDC Exploration&Wells, C57# 283326. <br /> SAIC requests that a copy of the approved permits be sent to Sean Gehlke, SAIC, <br /> 1000 Broadway, Suite 675, Oakland, California 94607. You may also fax copies to his <br /> attention at(510) 446-7919. <br /> Science Applications International Corporation <br /> 3800 Watt Avenue I Suite#210/Sacramento,CA 95821/tel:(916)974-8800/fax:(916)979-3735 1 saic.com <br />