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07 August 2014 <br /> AGE Project No. 14-3190 <br /> Page 2 of 2 <br /> isobutylene. Two discrete soil samples will be retained from each soil boring for laboratory <br /> analysis. It is anticipated that the depth intervals displaying the greatest degree of impact <br /> and from the total depth of the soil boring will be selected. Each probe boring will be <br /> abandoned by grouting in place after the final soil sample has been collected. <br /> Abandonment procedures will adhere to the requirements of the San Joaquin County <br /> Environmental Health Department. Approximate boring locations are illustrated in the <br /> attached figures. <br /> SOIL SAMPLE COLLECTION AND ANALYSIS <br /> Soil samples will be collected continuously using a 1.45-inch diameter Geoprobe(D soil <br /> sampling assembly loaded with one 4-foot acetate liner. Upon sample retrieval, portions <br /> of the acetate liner will be covered with Teflon® sheets, capped and sealed with tape. <br /> Appropriately sealed and labeled samples will be placed in a chilled container under ice <br /> and transported under chain-of-custody procedure to a California Department of Public <br /> Health (CDPH)-Certified laboratory. Selected soil samples will be analyzed for: total <br /> petroleum hydrocarbons as mineral oil in accordance with EPA method 8015 Modified. <br /> Please contact our office at 800-511-9300 if you have any questions or require further <br /> information. <br /> Sincerely, <br /> Advanced GeoEnvironm_ental, Inc. <br /> tON <br /> No.8574 <br /> Brian W. Millman <br /> Senior Project Geolo u <br /> 41 <br /> California Professional Geologist No. 8574 <br /> Attachments: permit application, MFR, and associated fees <br />