326 IAC 1-2-52.4
326 IAC 1-2-52.4 "PM10" defined
Cite as Ind. Admin. Code tit. 326, r. 1-2-52.4
Sec. 52.4. "PM10" means any particulate matter with an aerodynamic diameter less than or equal to a nominal ten (10)
micrometers (μm) as measured by an applicable reference method specified in 40 CFR Part 50 or by an equivalent or alternative method
approved by the commissioner.