326 IAC 1-2-52

326 IAC 1-2-52 "Particulate matter" or "PM" defined

Last amended: 2026Year: 2027Length: 29 wordsOfficial source

Cite as Ind. Admin. Code tit. 326, r. 1-2-52

Sec. 52. "Particulate matter" or "PM" means any airborne finely divided solid or liquid material, excluding uncombined water, with an aerodynamic diameter smaller than one hundred (100) micrometers (μm).
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