US lawIndianaRegulationsTitle 675 — Fire Prevention and Building Safety CommissionArticle 30 — ARTICLE 30. INDIANA BOILER AND PRESSURE VESSEL RULESRule 4 — Definitions30-4-6675 IAC 30-4-6675 IAC 30-4-6 "Btu" definedLast amended: 2025Year: 2027Length: 7 wordsOfficial source Cite as Ind. Admin. Code tit. 675, r. 30-4-6Sec. 6. "Btu" means British thermal units.Previous675 IAC 30-4-5Next675 IAC 30-4-7