Understanding OTM-45: A Benchmark for PFAS Air Testing and Compliance
By: Blake Ericson, Martha Maier, and Bryan Vining How does OTM-45 work for PFAS testing? The EPA introduced OTM-45 in 2021 as a benchmark for PFAS stack testing and as a starting point for future PFAS stack testing standards. OTM-45 identifies and determines concentrations in mass per unit gas volume sampled of specific PFAS compounds …
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