40 CFR 63.179 - Alternative means of emission limitation: Enclosed-vented process units.

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§ 63.179 Alternative means of emission limitation: Enclosed-vented process units.

Process units enclosed in such a manner that all emissions from equipment leaks are vented through a closed-vent system to a control device meeting the requirements of § 63.172 of this subpart are exempt from the requirements of § 63.163, through 63.171, and §§ 63.173 and 63.174 of this subpart. The enclosure shall be maintained under a negative pressure at all times while the process unit is in operation to ensure that all emissions are routed to a control device.

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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
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      Final rule.
      This final action is effective on December 7, 2015.
      40 CFR Part 63