NAC445B.135. “PM10” defined.  


Latest version.
  • “PM10” means any particulate matter in the atmosphere with an aerodynamic diameter less than or equal to a nominal 10 micrometers as measured by an approved reference method or equivalent method based on 40 C.F.R. Part 50, Appendix J and designated in accordance with 40 C.F.R. Part 53.

     (Added to NAC by Environmental Comm’n, eff. 12-26-91)—(Substituted in revision for NAC 445.5655)