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AddRINk <br /> amee%y <br /> April 3, 2012 <br /> Project 0066280010.00007.**** <br /> Johnny Yoakum <br /> San Joaquin County Environmental Health Department <br /> 600 Main Street <br /> Stockton, CA 95205 <br /> Subject: Boring Permit for Soil Investigation at 990 Beechnut Ave, Tracy, Ca <br /> Dear Mr. Yoakum: <br /> On behalf of Chevron Environmental Management Company (Chevron), AMEC Environment & <br /> Infrastructure plans to advance 8 soil borings at 990 Beechnut Avenue in Tracy, California, from <br /> April 18 to 19, 2012. Boring locations are shown on the figure attached. <br /> Four of the boring locations (AMEC-1 through AMEC-4) will be sampled for soil to a depth of 10 <br /> feet below ground surface (bgs) and four of the boring locations (AMEC-5 through AMEC-8) will <br /> be sampled for soil to a depth of 12 feet bgs. All borings will be advanced using a Geoprobe <br /> direct push rig operated by PeneCore Drilling. <br /> The borings will be destroyed using Portland Type 1/11 neat cement grout, placed from total <br /> depth to 3 feet bgs using a tremie pipe. The top 3 feet will be filled with hydrated bentonite <br /> granules to ground surface. All soil cuttings and wash water will be properly stored on site in 55- <br /> gallon drums to be removed by Chevron. <br /> Sincerely yours, <br /> AMEC Environment & Infrastructure, Inc. <br /> %��_ )) <br /> Heidi Dietrich-Foronda Mari Gilmore <br /> Staff Scientist Senior Geologist <br /> Direct Tel.: (510) 663-4133 Direct Tel.: (510) 663-4163 <br /> E-mail: Heidi.dietrich@amec.com E-mail: mari.gilmore@amec.com <br /> hdf <br /> I:\Project\16000\OD11161130\5000 INVESTIGATION\Permits\SJC Bore Permit <br /> Attachments: Chevron Letter of Access <br /> Work Plan <br /> Updated MFR <br /> Permit Applications <br /> LCD <br /> Figure A <br /> Application Payment <br /> AMEC Environment& Infrastructure, Inc. <br /> 2101 Webster Street, 12th Floor <br /> Oakland,California 94612-3066 <br /> USA <br /> Tel (510)663-4100 <br /> Fax (510)663-4141 <br /> amec.com <br />