HAR §11-280.1-63. Initial site characterization

(a) Owners and operators must assemble information about the site and the nature of the release, including information gained while confirming the release or completing the initial abatement measures in sections 11-280.1-60 and 11-280.1-61. This information must include, but is not necessarily limited to the following: (1) Data on the nature and estimated quantity of release; (2) Data from available sources and all previous site investigations concerning the following factors: surrounding populations, water quality, use and approximate locations of wells potentially affected by the release, subsurface soil conditions, locations of subsurface sewers, climatological conditions, and land use; (3) Results of the site assessment required under section 11-280.1-62 (a) (5); and (4) Results of the free product investigations required under section 11-280.1-62 (a) (6), to 280.1-78 3 5 8 4 §11-280.1-64 be used by owners and operators to determine whether free product must be recovered under section 11-280.1-64. (b) Within forty-five days of release confirmation, or another reasonable period of time determined by the department, owners and operators must submit the information collected in compliance with subsection (a) to the department in a manner that demonstrates its applicability and technical adequacy. [Eff 7/15/18; comp 1/17/20; comp 7/8/21; comp MAR 21 2025 J (Auth: HRS §§3421-3, 3421-7. 5, 3421-35) (Imp: HRS §§342L-3, 3421-7.5, 342L-35)