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I� N t ,i f <br /> II ' <br /> i <br /> Regional Board, plus one additional sample from the <br /> approximate midline of the pit. Any additional sampling <br /> required by the County would also be perIformed. <br /> It is estimated that the dimension of the excavation will be <br /> 8x12x10 feet. If hydrocarbons are encountered, it is <br /> anticipated that approximately 18 cubic 'iyards of additional <br /> soil will be removed. The soil will be 'lplac,ed on visquene <br /> which has been laid over berms to faciliItate storm-water <br /> runoff. The entire mound will also be covered with visquene <br /> pending analytical results. All soil well be disposed of <br /> properly following current federal, state and local rules and <br /> regulations. <br /> f <br /> Soil samples will be transported to a state ?approved <br /> laboratory for chemical analysis and al proper chain of <br /> custody protocol will be followed. ThelLfollowing are the <br /> test methods that will be used to analyze the soil samples: <br /> . EPA Method 8020 for BETX with a method detection limit of <br /> . 005 mg/kg. .1 <br /> EPA method 7420 for total lead with allmetYod detection <br /> limit of .5mg/kg. 2. <br /> ail <br /> . EPA method 8010 (modified) for TPHD with a method detection <br /> of . 03 mg/kg. <br /> This plan is site specific and will only address the <br /> excavation associated with removal of the 211000 gallon diesel <br /> tank. Thank you for your assistance inhthis matter and if <br /> you need any additional information please contact me at <br /> (209) 236-5214. i� 1 <br /> �j <br /> Michael Savage it <br /> ii <br /> ii <br /> A f <br /> II <br />