U.S. EPA has extended the deadline for comments on its OSWER Final Guidance for Assessing and Mitigating the Vapor Intrusion Pathway from Subsurface Sources to Indoor Air and its Guidance for Addressing Petroleum Vapor...more
Potential buyers and sellers take note — on April 16, 2013, the U.S. Environmental Protection Agency (U.S. EPA) issued draft guidance that would require more evaluation of "vapor intrusion" (migration of any hazardous vapors...more
More than ten years after issuing draft guidance regarding the increasingly significant subject of vapor intrusion (VI), the U.S. Environmental Protection Agency (EPA) has just released for public comment drafts of two...more
The Environmental Protection Agency (EPA) has released and is seeking comments on draft general guidance on methods of addressing indoor vapor intrusion (VI) from contaminated soil and groundwater plumes (Draft VI Guidance)...more
The NJDEP has updated its vapor intrusion screening levels for the first time since 2007. The new screening levels, effective as of January 16, 2013, were developed using risk-based information developed by the USEPA....more
On January 16, the New Jersey Department of Environmental Protection (NJDEP) published its new guidance on vapor intrusion, including significant changes to the groundwater vapor intrusion screening levels....more
A story in today’s BNA Daily Environment Report notes that several representatives of industry interests are asking EPA to hold off on issuing its much-anticipated vapor intrusion guidance until it can be subject to public...more
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