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Workplan for Underground Storage Tank Upgrade 3 <br /> Southland Store No 17334,4501 North Pershing Avenue,Stockton,California August 10, 1998 <br /> In accordance with 40 CFR 261 4 (b) (10), and CCR Title 22 66261 24, soil and/or groundwater which <br /> need to be removed from the site to allow completion of upgrades are proposed to be hauled as non- <br /> hazardous waste by a licensed waste hauler for recycling at a licensed facility Prior to soil and/or <br /> groundwater hauling, samples will be collected and analyzed for constituents required by the respective <br /> disposal facilities Tank-pit water will be hauled by Integrated Waste Stream Management, Inc of <br /> Milpitas, CA to Seaport Environmental in Redwood City, CA for recycling Soil removed from the site <br /> will be hauled by Belshire Environmental Services, Inc or a subcontractor of Belshire to T P S <br /> Technologies, Inc in Richmond, CA for proper treatment <br /> Source Area Remediation <br /> Any excavation of soils and/or groundwater withdrawal at the site will be conducted with the primary <br /> goal of facilitating construction activities Based on analytical data from soil samples collected near the <br /> existing USTs and fuel dispenser island, it does not appear that overexcavation of soil is warranted at <br /> this site Waste segregation will be conducted using field and/or analytical criteria, to allow use of onsite <br /> . soils for backfilling purposes whenever possible All stockpiled soil will be sampled prior to removal <br /> from the site or being used as backfill material <br /> If groundwater is encountered to the existing tank cavity, approximately 90 lbs of oxygen-releasing <br /> compound (ORC)will be inserted in bulk form (powder) in the underground storage tank pit area as <br /> approved prior to field operations by the SJCDEH Application of ORC powder is proposed as a means <br /> of stimulating passive biodegradation in the hydrocarbon source area (Attachment B) <br /> Tank Pit ExcavationiSackfilling <br /> Approximately 622 cubic yards of soil is expected to be generated during the excavation of the new tank <br /> pit It is proposed that the soil be used to backfill the existing tank pit following tank removal Excavated <br /> soil will be stockpiled and sampled prior to being placed as backfill material One discrete soil sample <br /> will be collected per every 50 cubic yards of soil following the sampling protocol described above <br /> (Attachment A) It is estimated that 450 cubic yards will be required to backfill the existing tank pit The <br /> remaining stockpiled soil will be transported to a local landfill or appropriate disposal facility depending <br /> on the analytical results of the samples collected from the soil stockpile Samples will be analyzed for <br /> 17334SJC LTR <br /> FLUOR DANIEL GTI <br />