US lawCaliforniaStatutesCode labDivision 5Part 6Chapter 17621Cal. LAB § 7621Cal. LAB § 7621Last amended: 1949Year: 2025Length: 27 wordsOfficial source “Boiler” as used in this part means any fired or unfired pressure vessel used to generate steam pressure by the application of heat subject to this part.PreviousCal. LAB § 7620NextCal. LAB § 7622