40 CFR Appendix Table 2 to Subpart DDDD of Part 63, Operating Requirements

Table 2 to Subpart DDDD of Part 63 - Operating Requirements
If you operate a(n) . . . You must . . . Or you must . . .
(1) Thermal oxidizer Maintain the 3-hour block average firebox temperature above the minimum temperature established during the performance test Maintain the 3-hour block average THC concentration a in the thermal oxidizer exhaust below the maximum concentration established during the performance test.
(2) Catalytic oxidizer Maintain the 3-hour block average catalytic oxidizer temperature above the minimum temperature established during the performance test; AND check the activity level of a representative sample of the catalyst at least every 12 months Maintain the 3-hour block average THC concentration a in the catalytic oxidizer exhaust below the maximum concentration established during the performance test.
(3) Biofilter Maintain the 24-hour block biofilter bed temperature within the range established according to § 63.2262(m) Maintain the 24-hour block average THC concentration a in the biofilter exhaust below the maximum concentration established during the performance test.
(4) Control device other than a thermal oxidizer, catalytic oxidizer, or biofilter Petition the EPA Administrator for site-specific operating parameter(s) to be established during the performance test and maintain the average operating parameter(s) within the range(s) established during the performance test Maintain the 3-hour block average THC concentration a in the control device exhaust below the maximum concentration established during the performance test.
(5) Process unit that meets a compliance option in Table 1A of this subpart, or a process unit that generates debits in an emissions average without the use of a control device Maintain on a daily basis the process unit controlling operating parameter(s) within the ranges established during the performance test according to § 63.2262(n) Maintain the 3-hour block average THC concentration a in the process unit exhaust below the maximum concentration established during the performance test.

a You may choose to subtract methane from THC measurements.

This is a list of United States Code sections, Statutes at Large, Public Laws, and Presidential Documents, which provide rulemaking authority for this CFR Part.

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United States Code

Title 40 published on 2015-08-22

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

  • 2017-02-22; vol. 82 # 34 - Wednesday, February 22, 2017
    1. 82 FR 11334 - National Emission Standards for Hazardous Air Pollutants: Publicly Owned Treatment Works
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Proposed rule; extension of comment period.
      The public comment period for the proposed rule published in the Federal Register on December 27, 2016 (81 FR 95352), is being extended. Written comments must be received on or before March 29, 2017.
      40 CFR Part 63