Section 11-280.1-70 - Temporary closure(a) When an UST system is temporarily closed, owners and operators must continue operation and maintenance of corrosion protection in accordance with section 11-280.1-31, and applicable release detection in accordance with subchapter 4. Subchapters 5 and 6 must be complied with if a release is suspected or confirmed. Spill and overfill operation and maintenance testing and inspections in subchapter 3 are not required during temporary closure. If the UST system is empty, release detection and release detection operation and maintenance testing and inspections in subchapters 3 and 4 are not required. The UST system is empty when all materials have been removed using commonly employed practices so that no more than 2.5 centimeters (one inch) of residue, or 0.3 percent by weight of the total capacity of the UST system, remain in the system.(b) When an UST system is temporarily closed for ninety days or more, owners and operators must also comply with the following requirements: (1) Leave vent lines open and functioning; and(2) Cap and secure all other lines, pumps, manways, and ancillary equipment.(c) When an UST system is temporarily closed for more than twelve months, owners and operators must permanently close the UST system if it does not meet the applicable design, construction, and installation requirements in subchapter 2, except that the spill and overfill equipment requirements do not have to be met. Owners and operators must permanently close the substandard UST systems at the end of this twelvemonth period in accordance with sections 11-280.1-71 to 11-280.1-74, unless the department provides an extension of the twelve-month temporary closure period. Owners and operators must complete a site assessment in accordance with section 11-280.1-72 before such an extension can be applied for.Haw. Code R. § 11-280.1-70
[Eff 7/15/2018] (Auth: HRS §§ 342L-3, 342L-37) (Imp: HRS §§ 342L-3, 342L-37)