New U.S. EPA PFAS Air Testing Method Shows Progress Toward Emissions Standards

Introduction In mid-January 2024, the United States Environmental Protection Agency (U.S. EPA or Agency) published a new method to assist in measuring substances such as per- and polyfluoroalkyl substances (PFAS) in air emissions. The new method is known as “Other Test Method 50” or “OTM-50.” While the Agency did not officially publish the draft method, […]