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Środowisko i energia · 16/05/2024

EPA Updates PM2.5 Data from T640/T640X PM Mass Monitors

The Environmental Protection Agency (EPA) is retroactively applying a modification to the Federal Equivalent Method (FEM) designation for Teledyne Advanced Pollution Instrumentation Model T640 particulate matter (PM) mass monitors, including the 640X option, to all PM2.5 concentration data reported prior to the modification.

Source: Federal Register — Environmental Protection AgencyOpen original release →