The new ASTM E2600-10 Standard Guide for Vapor Encroachment Screening on Property Involved in Real Estate Transactions (the Standard) was designed to screen properties for the presence or likely presence of chemicals of concern (COC) vapors in the subsurface of the target property (TP) cause by the release of vapors from contaminated soil and/or groundwater either on or near the TP. The ASTM E2600-10 Vapor Encroachment Standard procedures were intended to complement and be conducted concurrently with the Phase I ESA process, but can also be used as a stand-alone screen.
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