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�I <br /> h S E C 0 R <br /> Mr Michael Infurna �l= <br /> December 19, 2002 <br /> Page 2tG, <br /> 6 ilw,ej <br /> 7F <br /> # 1�tf; <br /> 7 <br /> Management of Excavated Soil Upon excavation, soil will be stockpiled on and covered with <br /> plastic sheeting All stockpiled soil will be sampled at one four-point composite for every 50 cubic <br /> �>YY>II <br /> yards, or as required by the licensed receiving facility or San Joaquin County Impacted soil ; u <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 "�I'; <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 I , <br /> (TAME), and di-isopropyl ether (DIPE) by EPA Method 826013, and total lead by EPA Method 7420 <br /> 4, 1 <br /> SCHEDULE <br /> Chevron has scheduled work to begin in mid January 2003, pending approval of this work plan and I <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 ;ti� <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 site <br /> Should you have any questions or concerns regarding these activities, please feel free to contact x` <br /> Greg McIver at (916) 861-0400 extension 279 <br /> Sincerely, <br /> s <br /> SECOR International Incorporated ` <br /> !'qh <br /> Eliza h Gro huis <br /> Staff Scientist <br /> 4` <br /> Greg McIver ��' <br /> Project Scientist <br /> EG eg ' <br /> b'Y <br /> • it <br /> i` <br /> I\Chevron110016211REPORTS12002%tank pull work plan doc SFCOA Intemational Incorporated <br />