Hazardous Substances Remediation

New York State Department of Health Updates Soil Vapor Intrusion Guidance

The N.Y. Department of Health (“NYSDOH”) recently revised its guidance on soil vapor intrusion, tightening guidelines on certain volatile chemicals and loosening guidelines on others. The revisions consist of an updated set of Soil Vapor/Indoor Air Decision Matrices, which prescribe recommended actions based on the concentrations of a specified chemical vapor inside a building and…

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