PM2.5 definition
PM2.5 means particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers as measured by a reference method based on 40 CFR Part 50 Appendix L and designated in accordance with 40 CFR Part 53 or by an equivalent method designated in accordance with 40 CFR Part 53.
PM2.5 means particulate matter with an aerodynamic diameter less than or equal to a nominal
PM2.5 means particulate matter with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers as measured by an EPA reference or equivalent method.
More Definitions of PM2.5
PM2.5 means particles with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers.
PM2.5 means particulate matter with an aerodynamic diameter less than or equal to a nominal two and one-half (2.5) micrometers as measured by a reference method based on Appendix L of 40 C.F.R. Part 50 as of the effective date of the federal final rule published by EPA in the Federal Register on October 17, 2006 (71 FR 61226), or by an approved regional method designated in accordance with Appendix C of 40 C.F.R. Part 53.
PM2.5 means particulate matter with an aerodynamic diameter less than or equal to a nominal two and one-half (2.5) micrometers.
PM2.5 means particulate matter as defined in this rule with an aerodynamic diameter less than or equal to a nominal 2.5 micrometers as measured by an EPA-approved reference method.
PM2.5 means a class of air contaminants that includes all particulate matter having an aerodynamic diameter less than or equal to a nominal 2.5 microns.
PM2.5 means particulate matter with an aerodynamic diameter less than or equal to a nominal two-and-a-half (2.5) micrometers as measured by a reference method based on Appendix L of 40 C.F.R. Part 50 and designated in accordance with 40
PM2.5 means particulate matter with an aerodynamic diameter less than or equal to a nominal two and one-half micrometers (2.5 µm) as measured by a reference method based on Appendix L at 40 CFR Part 50 or equivalent methods.