Vapor Intrusion Guidance

News & Analysis as of

Did EPA Overstep in Applying Soil Vapor Intrusion Guidance to Commercial Buildings?

In April 2013, U.S. EPA’s Office of Solid Waste and Emergency Response issued two guidance documents on soil vapor intrusion. One addresses general soil vapor intrusion issues, while the other is specific to petroleum vapor...more

Ninth Circuit Opinion Highlights Vapor Intrusion Risks and Challenges Faced by Brownfields Developers and Their Lenders

A recent ruling by the United States Court of Appeals for the Ninth Circuit illustrates the challenges faced by developers of contaminated properties and their lenders, as well as the extraordinary risks associated with...more

Illinois Follows Vapor Intrusion Regulation Trend

Most commercial or industrial buyers of contaminated property, and virtually all lenders at contaminated sites, require sellers to either obtain a no-further-remediation letter (NFR) themselves, place money in escrow in an...more

EPA Gets the Vapors and Commercial Real Estate Feels the Chill

EPA is worried that you may be a canary. Your realtor may share the worry. It’s not that you recently sprouted feathers or a beak. But just as miners carried caged canaries to warn if air was unsafe, EPA is concerned that...more

Vapor Intrusion Guidance Update

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

Vapor Intrusion Developments

Potential buyers and sellers take note — on April 16, 2013, the U.S. Environmental Protection Agency (U.S. EPA) issued draft guidance that would require more evaluation of "vapor intrusion" (migration of any hazardous vapors...more

EPA Issues Long-Awaited Vapor Intrusion Guidance for Public Comment

More than ten years after issuing draft guidance regarding the increasingly significant subject of vapor intrusion (VI), the U.S. Environmental Protection Agency (EPA) has just released for public comment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

EPA Draft Vapor Intrusion Guidance Is Now Subject To Public Comment

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

Change is in the Air – NJDEP Updates its Vapor Intrusion Guidance

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

New Jersey Department of Environmental Protection Implements New Guidance on Vapor Intrusion

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

Another Dispatch From the Guidance Front: Is EPA’s Vapor Intrusion Guidance Ready For Prime Time?

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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