US lawIndianaRegulationsTitle 326 — Air Pollution Control DivisionArticle 1 — ARTICLE 1. GENERAL PROVISIONSRule 2 — Definitions1-2-91326 IAC 1-2-91326 IAC 1-2-91 "Wood products" definedLast amended: 2026Year: 2027Length: 9 wordsOfficial source Cite as Ind. Admin. Code tit. 326, r. 1-2-91Sec. 91. Material consisting of untreated wood or vegetation.Previous326 IAC 1-2-90