Haw. Rev. Stat. § 128D-32: Definitions.

As used in this part, unless the context otherwise requires:

"Prospective purchaser" means a prospective owner, operator, tenant, developer, lender, or any other party who would not otherwise be liable under section 128D-6, prior to a voluntary response action being conducted.

"Requesting party" means the person or persons submitting an application to conduct a voluntary response action.

"Voluntary response action" means a response conducted voluntarily by a requesting party.