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•`�'c+`�,A � ,sem. - �•- <br /> 475 14aStreet,Suite 400 <br /> Oakland;California 94612Geosyntec° <br /> PH 510.836.3034 <br /> 510.836.3036 <br /> consultants FAX eosyntec.com <br /> www.geosyntec.com <br /> 31 January 2011 <br /> Mr. Mike Infurna <br /> San Joaquin County Environmental Health Department <br /> 600 East Main Street <br /> Stockton,California 95202 <br /> Subject: Site Investigation Plan <br /> 800 West Church Street <br /> Stockton,California <br /> Dear Mr. Infurna: <br /> Six locations will be sampled for groundwater and five locations will be sampled for soil gas at <br /> the former Newark Sierra facility located at 800 West Church Street in Stockton, California (the <br /> "Site"). Soil samples will also be collected at up to three of the six locations. Proposed sample <br /> locations are shown on the attached Figure 1, and a summary of the analytical program is <br /> included as Table 1. Field procedures as described below will be performed in accordance with <br /> all applicable San Joaquin County Ordinance Codes and/or Standards and State and/or Federal <br /> Laws and Regulations. The Site is a former paper products facility, currently unoccupied. The <br /> purpose of the investigation described below is to evaluate the presence of chemicals in soil gas <br /> and groundwater in the context of litigation. An environmental regulatory agency is not <br /> involved with the investigation. <br /> Field Preparations <br /> Prior to sampling, a project Health and Safety Plan will be prepared in accordance with <br /> California OSHA requirements. <br /> The sample locations will be marked:on the ground with white paint and Underground Service <br /> Alert (USA) North(1-800-227-2600) will be notified at least two business days before sampling <br /> begins. A private utility locator has been retained-to perform a geophysical survey in the vicinity <br /> of each sample location to identify utilities,pipelines,and other subsurface features. <br /> Dratt_San Joaquin County Investigation Plan_JL-LVT-CK-1.31.11 <br />