CalEPA Revises 2015 Advisory – Active Soil Gas Investigations

In July 2015, the California Environmental Protection Agency Department of Toxic Substances Control, as well as the Los Angeles Regional Water Quality Control Board and San Francisco Regional Water Quality Control Board, made changes to the Advisory – Active Soil Gas Investigations. The revised Advisory will support stakeholders with collecting and analyzing soil gas samples.

Click here to view the revised Vapor Intrusion Guidance Documents.