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09/02 '00 NED 17 05 FAX 10259469966 ERMST We Q021 ti R1 • W A G E 4 .Land Use The 1325 and 1515 West Weber properties are located in an industx ial area of Stockton,Callfarnia. Both properties have historically beenusedfor industrial purposes and both are zoned for heavy industrial use ERM is not aware of any plans to change the zoning of these properties in the foreseeable future_ Soil Based on land use information for the subject properties and the absence of residual soil constituents in surface soils, there is little or no opportunity for exposure to residual soil constituents under conditios associated with the industrial use of these sites Specific pomts regarding potential exposure are noted below Because residual soil constituents are confaied to the subsurface, industrial workers at the subject properties are unlikely to be exposed to soil constituents via direct contact(I e, incidental ingestion and dermal contact) . Suiularly,because soil coristituernts are confined to dept, industrial workers are unlikely to be exposed to residual soil constituents vias the inhalation of fugitive dust Q Only isolated detwbons of volatile organic compounds (VOCry are present in subsurface soils Because of the very linuted detections,the migration of these compounds front►soil into air is not expend to represent as slgrufacant exposure pathway for industrol workers. However,construction workers or others involved, in intrusive subsurface activities at the site may be exposed to residual constituents in subsurface soils Under this sce io,exposure may occur via the following routes: e Incidental ingestion 9 Dermad contact 4 hihalation of VOCs released from soAs that are exposed during excavation or other intrusive activities. VOCs detected in soil include the aromatic hydrocarbons benzene,toluene, • ethylbanzere,and xy1mes