CalEPA pauses new vapor-intrusion policy to focus on implementing 2023 supplemental guidance

CalEPA officials told hundreds of participants at a public workshop that the State Water Resources Control Board will pause further work on a proposed statewide vapor-intrusion policy to focus instead on implementing the supplemental guidance released in February 2023 and building related data resources. At a kickoff session hosted by the CalEPA Vapor Intrusion Work Group, State Water Board assistant deputy director Annalisa Kihara said the agencies want “these information-sharing discussions to be useful to you and for us to achieve our priority to protect human health and the environment when we remediate contaminated sites, especially for residential use.” The shift was described by Steve McMasters of the State Water Resources Control Board, who said the board…