40 CFR 63.1295 - Standards for slabstock flexible polyurethane foam production

§ 63.1295 Standards for slabstock flexible polyurethane foam production—HAP ABA storage vessels.
Each owner or operator of a new or existing slabstock affected source complying with the emission point specific limitation option provided in § 63.1293(a) shall control HAP ABA storage vessels in accordance with the provisions of this section.
(a) Each HAP ABA storage vessel shall be equipped with either a vapor balance system meeting the requirements in paragraph (b) of this section, or a carbon adsorption system meeting the requirements of paragraph (c) of this section.
(b) The storage vessel shall be equipped with a vapor balance system. The owner or operator shall ensure that the vapor return line from the storage vessel to the tank truck or rail car is connected during unloading.
(1) During each unloading event, the vapor return line shall be inspected for leaks by visual, audible, olfactory, or any other detection method.
(2) When a leak is detected, it shall be repaired as soon as practicable, but not later than the subsequent unloading event.
(c) The storage vessel shall be equipped with a carbon adsorption system, meeting the monitoring requirements of § 63.1303(a), that routes displaced vapors through activated carbon before discharging to the atmosphere. The owner or operator shall replace the existing carbon with fresh carbon upon indication of breakthrough before the next unloading event.
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United States Code

Title 40 published on 2015-07-01

The following are ALL rules, proposed rules, and notices (chronologically) published in the Federal Register relating to 40 CFR Part 63 after this date.

  • 2015-12-07; vol. 80 # 234 - Monday, December 7, 2015
    1. 80 FR 76152 - National Emission Standards for Aerospace Manufacturing and Rework Facilities Risk and Technology Review
      GPO FDSys XML | Text
      Final rule.
      This final action is effective on December 7, 2015.
      40 CFR Part 63