40 CFR Part 63, Subpart OOO, Table 4 to Subpart OOO of Part 63 - Operating Parameter Levels

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There are 7 Updates appearing in the Federal Register for 40 CFR 63. View below or at eCFR (GPOAccess)
View PDF at GPO Pt. 63, Subpt. OOO, Table 4
Table 4 to Subpart OOO of Part 63—Operating Parameter Levels
Device Parameters to be monitored Established operating parameter(s)
a 25 to 50 mm (absolute) is a common pressure level obtained by pressure swing absorbers.
b Concentration is measured instead of an operating parameter.
Scrubber pH of scrubber effluent; and scrubber liquid and gas flow rates Minimum pH; and minimum liquid/gas ratio
Absorber Exit temperature of the absorbing liquid; and exit specific gravity of the absorbing liquid Maximum temperature; and maximum specific gravity
Condenser Exit temperature Maximum temperature
Carbon absorber Total regeneration steam or nitrogen flow, or pressure (gauge or absolute) a during carbon bed regeneration cycle; and temperature of the carbon bed after regeneration (and within 15 minutes of completing any cooling cycle(s)) Maximum flow or pressure; and maximum temperature
Thermal incinerator Firebox temperature Minimum temperature
Catalytic incinerator Temperature upstream and downstream of the catalyst bed Minimum upstream temperature; and minimum temperature difference across the catalyst bed
Boiler or process heater Firebox temperature Minimum temperature
Other devices (or as an alternate to the requirements previously presented in this table) b Organic HAP concentration level or reading at outlet of device Maximum organic HAP concentration or reading

Title 40 published on 2014-07-01

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

For a complete list of all Rules, Proposed Rules, and Notices view the Rulemaking tab.

  • 2014-11-25; vol. 79 # 227 - Tuesday, November 25, 2014
    1. 79 FR 70102 - National Emission Standards for Hazardous Air Pollutants; Delegation of Authority to Texas
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      Direct final rule; delegation of authority.
      This rule is effective on January 26, 2015 without further notice, unless EPA receives relevant adverse comment by December 26, 2014. If EPA receives such comment, EPA will publish a timely withdrawal in the Federal Register informing the public that this rule will not take effect.
      40 CFR Part 63

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Title 40 published on 2014-07-01

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

  • 2015-01-15; vol. 80 # 10 - Thursday, January 15, 2015
    1. 80 FR 2067 - National Emission Standards for Hazardous Air Pollutants: Secondary Aluminum Production; Extension of Comment Period
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      Supplemental notice of proposed rulemaking; extension of public comment period.
      Comments. The public comment period for the supplemental proposed rule published in the Federal Register on December 8, 2014 (79 FR 72874), is being extended for 15 days to February 6, 2015, in order to provide the public additional time to submit comments and supporting information.
      40 CFR Part 63