Haw. Rev. Stat. § 342H-55

The director may establish by rule the criteria, standards, and requirements relating to the location, design, construction, operation, maintenance, expansion, closure, and post-closure care of municipal solid waste landfill units. In addition, the director may establish by rule assessment monitoring, ground-water monitoring, ground-water protection, landfill gas monitoring, landfill gas collection, detection monitoring, corrective measure, remedial action, preventive action, response action, manifest, recordkeeping, notification, public meeting, deed notation, and financial assurance requirements, standards, or criteria for municipal solid waste landfill units.