40 CFR Part 63, Subpart MMM, Table 3 to Subpart MMM of Part 63 - Monitoring Requirements for Control Devices a

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There are 2 Updates appearing in the Federal Register for 40 CFR 63. View below or at eCFR (GPOAccess)
View PDF at GPO Pt. 63, Subpt. MMM, Table 3
Table 3 to Subpart MMM of Part 63—Monitoring Requirements for Control Devices a
Control device Monitoring equipment required Parameters to be monitored Frequency
a As an alternative to the monitoring requirements specified in this table, the owner or operator may use a CEM meeting the requirements of Performance Specifications 8 or 9 of appendix B of part 60 to monitor TOC every 15 minutes.
b Monitor may be installed in the firebox or in the ductwork immediately downstream of the firebox before any substantial heat exchange is encountered.
All control devices 1. Flow indicator installed at all bypass lines to the atmosphere and equipped with continuous recorder or 1. Presence of flow diverted from the control device to the atmosphere or Hourly records of whether the flow indicator was operating and whether a diversion was detected at any time during each hour.
2. Valves sealed closed with car-seal or lock-and-key configuration 2. Monthly inspections of sealed valves Monthly.
Scrubber Liquid flow rate or pressure drop mounting device. Also a pH monitor if the scrubber is used to control acid emissions. 1. Liquid flow rate into or out of the scrubber or the pressure drop across the scrubber. 1. Every 15 minutes.
2. pH of effluent scrubber liquid 2. Once a day.
Thermal incinerator Temperature monitoring device installed in firebox or in ductwork immediately downstream of firebox b Firebox temperature Every 15 minutes.
Catalytic incinerator Temperature monitoring device installed in gas stream immediately before and after catalyst bed Temperature difference across catalyst bed Every 15 minutes.
Flare Heat sensing device installed at the pilot light Presence of a flame at the pilot light Every 15 minutes.
Boiler or process heater <44 megawatts and vent stream is not mixed with the primary fuel Temperature monitoring device installed in firebox b Combustion temperature Every 15 minutes.
Condenser Temperature monitoring device installed at condenser exit Condenser exit (product side) temperature Every 15 minutes.
Carbon adsorber (nonregenerative) None Operating time since last replacement N/A.
Carbon adsorber (regenerative) Stream flow monitoring device, and 1. Total regeneration stream mass or volumetric flow during carbon bed regeneration cycle(s) 1. For each regeneration cycle, record the total regeneration stream mass or volumetric flow.
Carbon bed temperature monitoring device 2. Temperature of carbon bed after regeneration 2. For each regeneration cycle, record the maximum carbon bed-temperature.
3. Temperature of carbon bed within 15 minutes of completing any cooling cycle(s) 3. Within 15 minutes of completing any cooling cycle, record the carbon bed temperature.
4. Operating time since end of last regeneration 4. Operating time to be based on worst-case conditions.
5. Check for bed poisoning 5. Yearly.

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.

  • 2014-08-15; vol. 79 # 158 - Friday, August 15, 2014
    1. 79 FR 48072 - NESHAP for Reciprocating Internal Combustion Engines; NSPS for Stationary Internal Combustion Engines
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Notice of final decision on reconsideration.
      Effective August 15, 2014. Any petitions for review of the letters announcing the EPA's decision not to propose changes to the regulations in response to the public comments received on the three issues under reconsideration described in this Notice must be filed in the U.S. Court of Appeals for the District of Columbia Circuit by October 14, 2014.
      40 CFR Parts 60 and 63

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This list is taken from the Parallel Table of Authorities and Rules provided by GPO [Government Printing Office].

It is not guaranteed to be accurate or up-to-date, though we do refresh the database weekly. More limitations on accuracy are described at the GPO site.


United States Code

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.

  • 2014-08-15; vol. 79 # 158 - Friday, August 15, 2014
    1. 79 FR 48072 - NESHAP for Reciprocating Internal Combustion Engines; NSPS for Stationary Internal Combustion Engines
      GPO FDSys XML | Text
      ENVIRONMENTAL PROTECTION AGENCY
      Notice of final decision on reconsideration.
      Effective August 15, 2014. Any petitions for review of the letters announcing the EPA's decision not to propose changes to the regulations in response to the public comments received on the three issues under reconsideration described in this Notice must be filed in the U.S. Court of Appeals for the District of Columbia Circuit by October 14, 2014.
      40 CFR Parts 60 and 63