US lawIndianaRegulationsTitle 355 — State Chemist of the State of IndianaArticle 3 — ARTICLE 3. AGRICULTURAL AMMONIARule 1.5 — 5. Definitions3-1.5-28355 IAC 3-1.5-28355 IAC 3-1.5-28 "Psia" definedLast amended: 2025Year: 2027Length: 9 wordsOfficial source Cite as Ind. Admin. Code tit. 355, r. 3-1.5-28Sec. 28. "Psia" means pounds per square inch absolute.Previous355 IAC 3-1.5-27Next355 IAC 3-1.5-29