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I 'i <br /> Dermal Contact or Ingestion of Contaminated Soil <br /> This exposure pathway was eliminated from consideration since no contaminated surface soils <br /> (less than 3 feet) currently exist at the site. <br /> ' Dermal Contact or Ingestion of Contaminated Groundwater <br /> ' This exposure pathway was eliminated from consideration. The shallow groundwater at the site <br /> is not currently used for any purpose. Moreover, the site is currently supplied with City water. <br /> The only potential for exposure to contaminated groundwater is to technicians sampling the <br /> ionsite monitoring well. These individuals are trained in environmental health and safety <br /> procedures and any potential exposure would be extremely limited in duration. Recent <br /> tgroundwater sampling has not verified any impact from the release at the site. <br /> Inhalation of Vapors from Contaminated Soil or Groundwater <br /> ' Under the current use of the property, human exposure to vapors emanating from contaminated <br /> soil would be transitory since the contaminated area is used for parking and is paved. Should <br /> ' the property be redeveloped, receptors could potentially be exposed to contaminants via <br /> inhalation of vapors. This exposure pathway was considered in detail. The contaminants <br /> identified at the site are volatile and exposure could result from volatilization from soil. <br /> ' Volatilization from Surface Soil (less than 3 feet bgs) <br /> Surface soil contamination does not exist at the site. Therefore, volatilization from <br /> surface soil was not considered in evaluating risk. <br /> ' Volatilization from Subsurface Soil (greater than 3 feet bgs) <br /> Subsurface soil contamination has been identified and characterized at the site. The <br /> t results of soil borings installed in the area of contamination in May 1995 indicate that <br /> soil contamination (from approximately 17.5 to 32.5 ft. bgs) is of limited extent and <br /> magnitude. Volatilization from this soil, however, could occur and was considered in <br /> the risk evaluation. <br /> Volatilization frm Qrpundwa er <br /> Groundwater contamination has not been identified. Consequently, volatilization of <br /> contaminants from groundwater was not considered in the risk evaluation. <br /> t <br /> vapeyvwlreportelrbal.t:t <br /> 2 <br /> 1 <br />