South Carolina Code of Regulations
Chapter 61 - DEPARTMENT OF HEALTH AND ENVIRONMENTAL CONTROL
Subchapter 61-79 - Hazardous Waste Management Regulations
Part 61-79.261 - IDENTIFICATION AND LISTING OF HAZARDOUS WASTE
Subpart BB - AIR EMISSION STANDARDS FOR EQUIPMENT LEAKS
Section 61-79.261.BB.1062 - Alternative standards for valves in gas/vapor service or in light liquid service: skip period leak detection and repair

(1) A remanufacturer or other person that stores or treats the hazardous secondary material shall comply with the requirements for valves, as described in section 261.1057, except as described in paragraphs (b)(2) and (3) of this section.

(2) After two (2) consecutive quarterly leak detection periods with the percentage of valves leaking equal to or less than two (2) percent, a remanufacturer or other person that stores or treats the hazardous secondary material may begin to skip one (1) of the quarterly leak detection periods (i.e., monitor for leaks once every six (6) months) for the valves subject to the requirements in section 261.1057 of this subpart.

(3) After five (5) consecutive quarterly leak detection periods with the percentage of valves leaking equal to or less than two (2) percent, a remanufacturer or other person that stores or treats the hazardous secondary material may begin to skip three (3) of the quarterly leak detection periods (i.e., monitor for leaks once every year) for the valves subject to the requirements in section 261.1057 of this subpart.

(4) If the percentage of valves leaking is greater than two (2) percent, the remanufacturer or other person that stores or treats the hazardous secondary material shall monitor monthly in compliance with the requirements in section 261.1057, but may again elect to use this section after meeting the requirements of section 261.1057(c)(1).