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 Code of Federal Regulations (Last Updated: November 8, 2024)
 Title 40 - Protection of Environment
 Chapter I - Environmental Protection Agency
 SubChapter C - Air Programs
 Part 63 - National Emission Standards for Hazardous Air Pollutants for Source Categories
 Subpart UUU - National Emission Standards for Hazardous Air Pollutants for Petroleum Refineries: Catalytic Cracking Units, Catalytic Reforming Units, and Sulfur Recovery Units

  Table 3 to Subpart UUU of Part 63 - Continuous Monitoring Systems for Metal HAP Emissions From Catalytic Cracking Units  

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  • Table 3 to Subpart UUU of Part 63 - Continuous Monitoring Systems for Metal HAP Emissions From Catalytic Cracking Units

    As stated in § 63.1564(b)(1), you shall meet each requirement in the following table that applies to you.

    For each new or existing catalytic
    cracking unit . . .     		If you use this type of control device for your vent . . . You shall install, operate, and maintain a . . .
    1. Subject to the NSPS for PM in 40 CFR 60.102 and not electing § 60.100(e) Any Continuous opacity monitoring system to measure and record the opacity of emissions from each catalyst regenerator vent.
    2. Subject to NSPS for PM in 40 CFR 60.102a(b)(1)(i); or in § 60.102 and electing § 60.100(e); electing to meet the PM per coke burn-off limit a. Cyclone
    b. Electrostatic precipitator    		 Continuous opacity monitoring system to measure and record the opacity of emissions from each catalyst regenerator vent.
    Continuous opacity monitoring system to measure and record the opacity of emissions from each catalyst regenerator vent; or continuous parameter monitoring systems to measure and record the coke burn-off rate or the gas flow rate entering or exiting the control device,1 the voltage, current, and secondary current to the control device.
    c. Wet scrubber Continuous parameter monitoring system to measure and record the pressure drop across the scrubber,2 the gas flow rate entering or exiting the control device,1 and total liquid (or scrubbing liquor) flow rate to the control device.
    d. Fabric Filter Continuous bag leak detection system to measure and record increases in relative particulate loading from each catalyst regenerator vent.
    3. Subject to NSPS for PM in 40 CFR 60.102a(b)(1)(i); or in § 60.102 and electing § 60.100(e); electing to meet the PM concentration limit Any Continuous emission monitoring system to measure and record the concentration of PM and oxygen from each catalyst regenerator vent.
    4. Subject to NSPS for PM in 40 CFR 60.102a(b)(1)(ii) electing to meet the PM per coke burn-off limit Any The applicable continuous monitoring systems in item 2 of this table.
    5. Subject to NSPS for PM in 40 CFR 60.102a(b)(1)(ii) electing to meet the PM concentration limit Any See item 3 of this table.
    6. Option 1a: Elect NSPS subpart J, PM per coke burn-off limit, not subject to the NSPS for PM in 40 CFR 60.102 or 60.102a(b)(1) Any See item 1 of this table.
    7. Option 1b: Elect NSPS subpart Ja, PM per coke burn-off limit, not subject to the NSPS for PM in 40 CFR 60.102 or 60.102a(b)(1) Any The applicable continuous monitoring systems in item 2 of this table.
    8. Option 1c: Elect NSPS subpart Ja, PM concentration limit not subject to the NSPS for PM in 40 CFR 60.102 or 60.102a(b)(1) Any See item 3 of this table.
    9. Option 2: PM per coke burn-off limit, not subject to the NSPS for PM in 40 CFR 60.102 or 60.102a(b)(1) Any The applicable continuous monitoring systems in item 2 of this table.
    10. Option 3: Ni lb/hr limit not subject to the NSPS for PM in 40 CFR 60.102 or 60.102a(b)(1) a. Cyclone Continuous opacity monitoring system to measure and record the opacity of emissions from each catalyst regenerator vent and continuous parameter monitoring system to measure and record the gas flow rate entering or exiting the control device.1
    b. Electrostatic precipitator Continuous opacity monitoring system to measure and record the opacity of emissions from each catalyst regenerator vent and continuous parameter monitoring system to measure and record the gas flow rate entering or exiting the control device1; or continuous parameter monitoring systems to measure and record the coke burn-off rate or the gas flow rate entering or exiting the control device1 and the voltage and current (to measure the total power to the system) and secondary current to the control device.
    c. Wet scrubber Continuous parameter monitoring system to measure and record the pressure drop across the scrubber,2 gas flow rate entering or exiting the control device,1 and total liquid (or scrubbing liquor) flow rate to the control device.
    d. Fabric Filter Continuous bag leak detection system to measure and record increases in relative particulate loading from each catalyst regenerator vent or the monitoring systems specified in item 10.a of this table.
    11. Option 4: Ni per coke burn-off limit not subject to the NSPS for PM in 40 CFR 60.102 or 60.102a(b)(1) a. Cyclone Continuous opacity monitoring system to measure and record the opacity of emissions from each catalyst regenerator vent and continuous parameter monitoring system to measure and record the coke burn-off rate and the gas flow rate entering or exiting the control device.1
    b. Electrostatic precipitator Continuous opacity monitoring system to measure and record the opacity of emissions from each catalyst regenerator vent and continuous parameter monitoring system to measure and record the coke burn-off rate and the gas flow rate entering or exiting the control device1; or continuous parameter monitoring systems to measure and record the coke burn-off rate or the gas flow rate entering or exiting the control device1 and voltage and current (to measure the total power to the system) and secondary current to the control device.
    c. Wet scrubber Continuous parameter monitoring system to measure and record the pressure drop across the scrubber,2 gas flow rate entering or exiting the control device,1 and total liquid (or scrubbing liquor) flow rate to the control device.
    d. Fabric Filter Continuous bag leak detection system to measure and record increases in relative particulate loading from each catalyst regenerator vent or the monitoring systems specified in item 11.a of this table.
    12. Electing to comply with the operating limits in § 63.1564(a)(5)(ii) during periods of startup, shutdown, or hot standby Any Continuous parameter monitoring system to measure and record the gas flow rate exiting the catalyst regenerator.1

    1 If applicable, you can use the alternative in § 63.1573(a)(1) instead of a continuous parameter monitoring system for gas flow rate.

    2 If you use a jet ejector type wet scrubber or other type of wet scrubber equipped with atomizing spray nozzles, you can use the alternative in § 63.1573(b) instead of a continuous parameter monitoring system for pressure drop across the scrubber.

    [80 FR 75283, Dec. 1, 2015, as amended at 81 FR 45244, July 13, 2016; 83 FR 60725, Nov. 26, 2018]