1. The director shall enforce the provisions of this chapter and may employ qualified personnel under the provisions of chapter 8A, subchapter IV , to administer the provisions of this chapter . 2. The provisions of this chapter shall apply to all boilers and unfired steam pressure vessels in this state, except as otherwise provided in this chapter . [C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §89.1 ] 2003 Acts, ch 145, §161 ; 2023 Acts, ch 19, §1786