Ill. Admin. Code tit. 35 § 211.4770
Current through Register Vol. 48, No. 49, December 6, 2024
"PM-10" means particulate matter with an aerodynamic diameter less than or equal to a nominal 10 micrometers, as measured by the applicable test methods specified by rule. Ambient air concentrations for PM-10 are usually expressed in micrograms per cubic meter (ug/m(3)).
Ill. Admin. Code tit. 35, § 211.4770
Added at 17 Ill. Reg. 16504, effective September 27, 1993