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U.S. EPA has voluntarily withdrawn its proposed Hazard Ranking System ("HRS") rule that would have allowed regulators to list a site on the National Priorities List ("NPL") solely on the basis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...