Hawaii Revised Statutes Division 1. Government § 321-603

(a) Beginning July 1, 2024, it shall be unlawful for any person or state or county department or agency to discharge or otherwise use for training or testing purposes class B firefighting foam that contains intentionally introduced PFAS chemicals, unless the use is necessary for effective suppression of a petroleum fire.

(b) Beginning July 1, 2024, it shall be unlawful to manufacture, sell, offer for sale, distribute for sale, or distribute for training or testing purposes in the State any class B firefighting foam that contains intentionally introduced PFAS chemicals.

(c) This section shall not apply to the manufacture, sale, or distribution of class B firefighting foam where the inclusion of PFAS chemicals is required by federal law or regulations; provided that if applicable federal law or regulations are amended after July 1, 2022, to allow the use of alternative firefighting agents that do not contain PFAS chemicals, the department may adopt rules that restrict PFAS chemicals for the manufacture, sale, and distribution of firefighting foam for uses that are addressed by the federal law or regulation.