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Superfund Site Reopened to Address Vapor Intrusion Issues

By Steven M. Siros, Partner, Jenner & Block In 1992, a consent decree was entered into between U.S. EPA and two PRPs to address contamination at an NPL site in Mountain View, California. In June 2001, U.S. EPA certified completion of remediation activities per the 1992 consent agreement. Almost...

U.S. EPA Hits Pause On CERCLA Vapor Intrusion Regulations

U.S. EPA has voluntarily withdrawn its proposed Hazard Ranking System ("HRS") rule that would have allowed regulators to list a site on the National Priorities List ("NPL") solely on the basis of the risks posed by vapor intrusion. The withdrawal occurred after the proposed rule had...

US EPA Issues First-Ever RCRA “Imminent and Substantial Endangerment” Order for Vapor Intrusion at Fort Gillem, Georgia

By: Alexander J. Bandza In what appears to be the first-ever RCRA § 7003, [ enhanced version available to lexis.com subscribers ], “imminent and substantial endangerment” order for vapor intrusion, US EPA Region 4 issued an order last month for the US Army to take expedited corrective...

EPA Issues Vapor Intrusion Guidance

By Channing J. Martin Vapor Intrusion (“VI”) is the migration of vapors from contamination in the ground into overlying buildings and structures. It’s no secret that regulatory agencies have increased their focus on VI over the last decade. Moreover, under ASTM E1527-13, a Phase...