Haw. Rev. Stat. § 340B-7: Regulations.

The board shall adopt such rules and regulations as may be necessary for the administration of this chapter, and which shall include at least the following provisions:

(1) The basis for classification of wastewater treatment plants as required by section 340B-2;

(2) Criteria for the qualification of applicants for operator certification corresponding to each of the classifications referred to in paragraph (1) of this section;

(3) Procedures for examination of candidates and renewal of certificates; and

(4) Procedures for the revocation of certificates.