The U.S. Environmental Protection Agency (EPA) finalized Test Methods 1633 and 1621, environmental sampling methods for analyzing up to 40 target per- and polyfluoroalkyl substances (PFAS) in soil, ...
Refineries need to conform to the newly updated US federal regulation CFR 40. To facilitate this process, US EPA Method 325 has been developed that stipulates tracking of volatile organic compounds ...
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