Agricultural operations across the United States are encountering difficulties in complying with the current air pollution regulations for particulate matter (PM). Typically emission concentration measurements from agricultural sources that are non-point sources are conducted in accordance with EPA's Federal Reference Method (FRM) PM10 and/or PM2.5 ambient air samplers. The samplers use impactors or cyclones to separate out the particles larger than the size of interest. For example the purpose of the PM10 cyclone is to remove the particles larger than 10 �

Field evaluation of EPA approved PM<sub>10</sub> and PM<sub>2.5</sub> ambient FRM samplers for determining emission concentrations from agricultural sources

246th National Meeting (2013)

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Field evaluation of EPA approved PM10 and PM2.5 ambient FRM samplers for determining emission concentrations from agricultural sources

Field evaluation of EPA approved PM₁₀ and PM_2.5 ambient FRM samplers for determining emission concentrations from agricultural sources