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EPA Report on Vapor Intrusion
The EPA Office of Inspector General (OIG) recently issued a new evaluation report entitled, "Lack of Final Guidance on Vapor Intrusion Impedes Efforts to Address Indoor Air Risks."
The December 14, 2009 report is available at http://www.epa.gov/oig under "Recent Releases" or from http://www.epa.gov/oig/reports/2010/20091214-10-P-0042.pdf
The OIG conducted this review to determine what actions the EPA has taken, both general and site- specific, to identify and mitigate human health risks from chemical vapor intrusion that can be associated with contaminated sites.