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SEC ® R <br /> � tl <br /> Mr Michael lnfurna <br /> December 19, 2002 3 3 <br /> Page 2 h <br /> Management of Excavated Soil Upon excavation, soil will be stockpiled on and covered with Cyt <br /> plastic sheeting All stockpiled soil will be sampled at one four-point composite for every 50 cubic ;jfl <br /> yards, or as required by the licensed receiving facility or San Joaquin County Impacted soil <br /> excavated at the site will be hauled and disposed of at a suitable landfill The anticipated period of <br /> time In which excavated soil will remain stockpiled onsite prior to offsite disposal will be between four <br /> l` <br /> and six weeks <br /> Laboratory Analysis Soil and groundwater samples will be submitted under chain-of-custody <br /> record to a California State-certified laboratory and analyzed for the presence of total petroleum <br /> hydrocarbons as gasoline (TPHg), and total petroleum hydrocarbons as diesel (TPHd) by EPA " <br /> Method 8015, benzene, toluene, ethyl-benzene, xylenes (BTEX), and fuel oxygenates methyl tertiary <br /> butyl ether (MtBE), ethyl tertiary butyl ether (EtBE), tert-butanol (TBA), tertiary amyl methyl ether <br /> (TAME), and dl-Isopropyl ether(DIPE) by EPA Method 826013, and total lead by EPA Method 7420 t f <br /> r � <br /> i' <br /> i <br /> SCHEDULE ' <br /> Chevron has scheduled work to begin in mid January 2003, pending approval of this work plan and <br /> the Issuance of permits by San Joaquin Environmental Health Division Following completion of the , <br /> field work and laboratory analyzes, data will be evaluated and assembled Into a summary report tljy <br /> . The summary report will Include tabulated data and soil analytical results with chain-of-custody ' <br /> records, a summary of field observations, and quantities of soil removed from the siteL <br /> M� <br /> Should you have any questions or concerns regarding these activities, please feel free to contact <br /> Greg McIver at (916) 861-0400 extension 279 ' <br /> zr <br /> Sincerely, <br /> SECOR International Incorporated <br /> fiihp�nn <br /> Y, <br /> Eliza uls <br /> Staff Scientist <br /> reg McIver -�a�' <br /> e <br /> Project Scientist ` <br /> c <br /> EG eg <br /> ,YaI� <br /> G <br /> y <br /> 4 by <br /> 1�b <br /> 4 <br /> A}a�a <br /> 11Chevron110016211REPORTS120021tank pull work plan doc SECOR International incorporated l <br /> t <br /> , f <br />