Haw. Rev. Stat. § 342L-33
The department, pursuant to chapter 91, shall adopt standards of performance for maintaining a release detection system, including, but not limited to, inventory control, tightness testing, and any other methods designed to identify releases from the underground storage tank or tank system in a manner consistent with the protection of human health and the environment.
[L 1989, c 212, pt of §6; am L 1992, c 259, §23]