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%@Nm <br /> � ARCADIS ,. . Q,j <br /> APP <br /> i � 10 ARCADIS U.S.,Inc. <br /> Infrastructure, environment, buildings ENUIRT� 140 Second Street <br /> Suite 200 <br /> ESPetaluma <br /> California 94952 <br /> Mr. Mike Infurna Tel 707.776.0865 <br /> San Joaquin County Environmental Health Department Fax 707.776.0850 <br /> 600 East Main Street www.arcadis-us.com <br /> Stockton, California 95202-3029 <br /> Subject: 1 ENVIRONMENTAL <br /> Application to Install Soil Borings <br /> C-51 Tank Site <br /> PG&E McDonald Island Compressor Station <br /> 1181 Zuckerman Road <br /> Tracy, California 95234 Date: <br /> April 11, 2010 <br /> Dear Mr. Infurna: Contact: <br /> Jamey Peterson <br /> ARCADIS U.S., Inc. (ARCADIS) is conducting a site investigation at the Pacific Gas <br /> and Electric Company(PG&E) McDonald Island Compressor Station (site), located Phone: <br /> at 1181 Zuckerman Road, Tracy, California. The proposed investigation is described 707.776.0865 X 27 <br /> in Attachment A, Site Sampling and Soil Removal Work Plan(Work Plan), and was Email: <br /> conditionally approved by the Central Valley Regional Water Quality Control Board jam ey.peterson@arcad is- <br /> (CV-RWQCB) in their letter dated March 16, 2010 (Attachment B). us.com <br /> Site description and background information are presented in Attachment A.The Our ref: <br /> Well Permit Application (Attachment C) is enclosed for the proposed field events that B0092341.0000.00001 <br /> are summarized below and are described in the Work Plan: <br /> • A total of 18 soil borings will be advanced within the north portion of the site <br /> (around the December 2009 excavation)to a total depth of 8 feet below <br /> ground surface (bgs) using a hand auger. <br /> Field activities will be conducted as described in the Work Plan and CV-RWQCB <br /> approval letter, with the following exception: <br /> • Upon completion, borings will be tremie grouted from the total depth to <br /> ground surface using neat cement in accordance with the San Joaquin <br /> County Environmental Health Department(EHD) requirements. <br /> Imagine the result <br /> transmittal soil boring application(pge mcdonald is).doc <br />