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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 performed. <br /> it is estimated that the dimension of the excavation will be <br /> 8x12xI0 feet. If hydrocarbons are encountered, it is <br /> anticipated that approximately IS cubic yards of additional <br /> soil will be removed. The soil will be placed on visquene <br /> which has been laid over berms to facilitate , storm-water <br /> runoff. The entire mound will also be covered with visquene <br /> pending analytical results. All soil will be disposed of <br /> properly following current federal, state and local rules and <br /> regulations. <br /> Soil samples will be transported to a state approved <br /> laboratory for chemical analysis and all"lproper chain of <br /> custody protocol will be followed. The following are the <br /> test methods that will be used to analyze the soil samples: <br /> • EPA Method 8020 for BETX with a methodJdetection limit of <br /> . 005 mg/kg. <br /> . EPA method 7420 for total lead with a method detection <br /> limit of . 5mg/kg. <br /> . EPA method 8010 (modified) for TPHD with a method detection <br /> of . 03 mg/kg. <br /> This plan is site specific and will onlyladdress the <br /> excavation associated with removal of the 2 , 000 gallon diesel <br /> tank. Thank you for your assistance in this matter and if <br /> you need any additional information please contact me at <br /> (209) 236-5214 . <br /> Michael Savage <br />