Section 11-453-16 - Facilities subject to emergency planning requirements(a) The requirements of this subchapter apply to: (1) Each owner or operator of a facility that stores, uses, or manufactures any hazardous substance and at which there is present an amount of any extremely hazardous substance equal to or in excess of its threshold planning quantity; and(2) Each owner or operator of a facility that has been designated by the commission or the Governor after public notice and opportunity for comment.(b) For purposes of this subchapter, an amount of any extremely hazardous substance means the total amount of an extremely hazardous substance present at any one time at a facility at concentrations greater than one per cent by weight, regardless of location, number of containers, or method of storage. Methods for calculation of quantities are described in section 11-453-18.[Eff NOV 05 2010] (Auth: HRS §§ 128E-6, 128E-7, 128E-13) (Imp: HRS §§ 128E-6, 128E-7, 128E-13)