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r� SG <br /> sal�sc <br /> KTechnical Work Plan <br /> November 1989 <br /> I ` <br /> All other site conditions are described in the SOD wo <br /> a89-1857. <br /> dated <br /> march 28, 1989. and Hay 10, 1989, which weXz submitted for SJLtkD permit <br /> j' ADDITIONAL SOIL SAMPLE COLLECTION <br /> il samples from the three uncontaminated <br /> SOD proposes tv collect so <br /> te Plan for local-ons) <br /> to be chemically <br /> soil piles (reEcr o Figure 2 - Sit <br /> toluene, to <br /> by EPA <br /> analyzed for TPIE and benzene, ethylbenzene, hesexyilessdvBnvt)contain <br /> method 8260, modified for diesel fuel to confirm chat t P <br /> detectable concentrations of contaminants. Three composite samples will be <br /> a collected into three pre-cooled 500-m1 glass ]ars. Immediately following sample <br /> 14 otic <br /> collection, the }ars will be capped with Teflon Wol Wdice WhestalandWtrans£erred <br /> electrical tape, placed into an artificially <br /> EI by chain-of-custody <br /> sa <br /> to an analytical laboratory accomple <br /> mpanie Will be collected by an SOD demployee <br /> preservation documentation. These samples represent from their <br /> is on December 26 or 27, 1989. If SJLHD requires a rep <br /> resent during the collection of soil samples, this will be r <br /> � <br /> € department to be p <br /> I arranged and confirmed approximately one week prior to sampling of detectable <br /> If laboratory analyses indicate the presence <br /> concentrations of contaminants, these soils will be properly disposed of along ; <br /> with the remaining contaminaced soils. Disposal procedures are described below <br /> PROPOSED SITE REMEDIATIONears <br /> Because the to be limited, <br /> extent of tthe <br /> he contamination app <br /> contaminated soil will be removed from the UST excavation with a , <br /> remaining _ <br /> backhoe and disposed of, with the existing contaminatbedn°removed, <br /> stockpile <br /> willbe <br /> 2) , at an approved disposal site. As the soil s g <br /> as well as monitored with a PTD and <br /> visually and olfactorially monitored, . <br /> d piles. Soilsx <br /> into clean and contaminate <br /> segregated background will <br /> 1 be considered <br /> _ tions of more than 25 parts per million (ppm) above ba g <br /> contaminated. Soil contaory ac <br /> mination ilevels in the. <br /> n excess of regulatble totbenremoved with a <br /> excavation is likely limited in extent and should be F <br /> ----- -- ---— <br /> backhoe. <br />