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Atlantic Richlield Company 2 <br /> Y _ARCO Station#434,501 Kell !ie''�_ ane,Lodi,CA October 11,2000 <br /> r �16� hauled by SECO.R to ARCO's purge water holding tank in West Sacramento. <br /> From there, the water will be hauled by 1WM to Seaport Environmental in <br /> I Y Redwood City, California for disposal. The site well will then be sampled <br /> (approximately 1 week after the batch extraction) to determine if groundwater <br /> extraction was effective in reducing oil and grease concentrations in the well. if <br /> the initial groundwater extraction was not effective in reducing hydrocarbon <br /> concentrations, the procedure will be repeated. <br /> • Groundwater Analysis. Groundwater samples will be collected from W-9 <br /> approximately one week after groundwater extraction is_completed and sent <br /> under chain-of-custody procedures to a CaliforniaState-certified laboratory for <br /> analysis. The groundwater samples will be analyzed for total petroleum <br /> j hydrocarbons as gasoline (TPHg), benzene, toluene, ethyl-benzene, xylenes <br /> (BTEX), using EPA Methods 8015 and 8020 and bil and Grease by EPA 413.1. j <br /> • Report. A report will be prepared upon completion of the batch extraction and <br /> receipt of analytical data. The report will Include the amount of water extracted <br /> from the well, groundwater analytical results, chain-of-custody documentation, <br /> and conclusions and recommendations for future rernedi�tion (if necessary). <br /> SCHEDULE <br /> SECOR is prepared to initiate field work immediately following approval of this work <br /> plan. A report documenting the results Of the interim remediation will be submitted to <br /> the RWQCB approximately 6 to 8 weeks after the completion of the field work and upon <br /> receipt of all analytical results. r <br /> Is If there are any questions regarding the contents of this work plan, please call us at (916) <br /> 86.1-0400. <br /> Sincerely, <br /> i <br /> SECO International 1. corporated <br /> ED GEO <br /> Rusty ,. Benkosky, P. �``' <br /> GREG �acut I <br /> Projee]ct Manager BARCLAY <br /> �1 "{ <br /> (� �.6260 <br /> Gr/eg°'B~arc%lay, .RG6260 <br /> 1 <br /> FC <br /> Technical Coordinator <br /> Attachments: Figure I - Site Location Map <br /> Figure 2 - Site Map <br /> i Attachment A - Certified Analytical Reports and Chain-of-Custody <br /> Documentation <br /> cc: Mr. Paul Supple, ARCO Products Company }� <br /> ' Mr. Marty Hartzell, RWQCB f <br /> I <br /> 077.42007,010/WPLAN 3.doc <br /> A <br /> a I <br />