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hydrocarbon impact poses an improbable risk to off-site groundwater <br />' and wells in the area <br /> 4.32 Onsite Workers <br /> While there is a potential risk to onsite personnel, such as Earthgrain's <br /> staff, construction or utility workers, ingesting or contacting impacted <br /> soil is improbable Impacted soil remaining after the UST removals <br /> and the operation of the soil vapor extraction system would occur at a <br /> depth below 13 feet (approximate invert depth of the USTs) beneath a <br /> paved surface This depth of impact is significantly below the <br /> elevation of site utilities and it would likely limit any possible <br /> exposure to onsite workers performing excavation <br /> 4.3.3 Offsite Workers <br /> 1 If the off-site well located south of the facility is used for agricultural <br /> purposes, there is a potential that agricultural workers could be <br /> receptors However, PSC considers this potential as improbable <br /> because of the well's completion depth, the well's surface casing, its <br /> distance and cross-gradient location from the former UST As <br /> previously mentioned, the fate and transport model described in <br /> Section 5 of this RACR indicates the impact poses an improbable risk <br /> to off-site groundwater and water wells in the area Therefore, the site <br /> poses an improbable risk to off-site workers <br /> I <br /> la <br /> Remedial Action Completion Report <br /> The Earthgrains Company Facility <br /> 2651 South Airport Way <br /> Stockton California <br /> Prepared for TtIE EARTHCRAINS COMPANY Prepared by Philip Services Corp <br /> H TNVN624001321121362£G1StocktoniStocktonSRemedialcompieuonRepon doe April 14 2003 <br />