On June 24, 2019, Ohio EPA issued a draft Vapor Intrusion Sampling and Evaluation Guidance (Guidance). The draft Guidance, which is intended to update the 2010 version of Ohio EPA’s Vapor Intrusion Guidance, is applicable to sites subject to CERCLA, RCRA, and Ohio Voluntary Action (VAP) oversight.

Comments on the draft Guidance must be submitted to Ohio EPA by July 15, 2019.