40 CFR 63.643 - Miscellaneous process vent provisions.

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There are 6 Updates appearing in the Federal Register for 40 CFR 63. View below or at eCFR (GPOAccess)
§ 63.643 Miscellaneous process vent provisions.
(a) The owner or operator of a Group 1 miscellaneous process vent as defined in § 63.641 shall comply with the requirements of either paragraphs (a)(1) or (a)(2) of this section.
(1) Reduce emissions of organic HAP's using a flare that meets the requirements of § 63.11(b) of subpart A of this part.
(2) Reduce emissions of organic HAP's, using a control device, by 98 weight-percent or to a concentration of 20 parts per million by volume, on a dry basis, corrected to 3 percent oxygen, whichever is less stringent. Compliance can be determined by measuring either organic HAP's or TOC's using the procedures in § 63.645.
(b) If a boiler or process heater is used to comply with the percentage of reduction requirement or concentration limit specified in paragraph (a)(2) of this section, then the vent stream shall be introduced into the flame zone of such a device, or in a location such that the required percent reduction or concentration is achieved. Testing and monitoring is required only as specified in §§ 63.644(a) and 63.645 of this subpart.

Title 40 published on 2013-07-01

The following are only the Rules published in the Federal Register after the published date of Title 40.

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  • 2014-03-27; vol. 79 # 59 - Thursday, March 27, 2014
    1. 79 FR 17340 - National Emission Standards for Hazardous Air Pollutant Emissions: Group IV Polymers and Resins; Pesticide Active Ingredient Production; and Polyether Polyols Production
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      ENVIRONMENTAL PROTECTION AGENCY
      Final rule.
      This final action is effective on March 27, 2014. The incorporation by reference of certain publications listed in this final rule was approved by the Director of the Federal Register as of March 27, 2014.
      40 CFR Part 63

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Title 40 published on 2013-07-01

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

  • 2014-07-02; vol. 79 # 127 - Wednesday, July 2, 2014
    1. 79 FR 37850 - National Emission Standards for Hazardous Air Pollutants: Off-Site Waste and Recovery Operations
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      ENVIRONMENTAL PROTECTION AGENCY
      Proposed rule.
      Comments. Comments must be received on or before August 18, 2014. A copy of comments on the information collection provisions should be submitted to the Office of Management and Budget (OMB) on or before August 1, 2014. Public Hearing. We do not plan to conduct a public hearing unless requested. If requested, we will hold a public hearing on July 17, 2014. To request a hearing, please contact the person listed in the following FOR FURTHER INFORMATION CONTACT section by July 14, 2014.
      40 CFR Part 63