Haw. Rev. Stat. § 342B-28: Recordkeeping and monitoring requirements.

The director may require an owner or operator of any source on a continuous, periodic, or one-time basis to:

(1) Establish, maintain, and submit records;

(2) Draft reports;

(3) Install, use, and maintain monitoring equipment, and use audit procedures or methods;

(4) Sample emissions in accordance with such procedures or methods, at such locations, at such intervals, during periods, and in the manner prescribed by the director;

(5) Keep records on the source and the control equipment parameters, production variables, or other indirect data when direct monitoring is impractical;

(6) Sample and analyze the composition of the fuel, waste, or other products being burned or incinerated;

(7) Submit compliance certifications; and

(8) Provide other information as the department may require.