From Inside PFAS Policy

EPA Updates Analytical Method To Measure PFAS In Air Emissions

July 26, 2024
EPA has quietly updated one of its methods for measuring PFAS in air emissions from stationary sources, adding to the number of pre-sampling standards to improve measurements, addressing when lab materials containing the fluoropolymer PTFE can be used, and modifying conditions for testing GenX chemicals. The agency on July 1 released a revised version of its “Other Test Method 45” (OTM-45) along with a Frequently Asked Questions (FAQ) document on the method to highlight many of the questions it received...


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