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Table 2 to Subpart NNNa of Part 60 - Monitoring Requirements for Complying With 98 Weight-Percent Reduction of Total Organic Compounds Emissions or a Limit of 20 Parts per Million by Volume

RegSenseAir QualityCFR RegulationsEnvironmental Protection Agency (EPA)EnvironmentalAir QualityFocus AreaUSAEnglishAir ProgramsCFR Appendix

Table 2 to Subpart NNNa of Part 60—Monitoring Requirements for Complying With 98 Weight-Percent Reduction of Total Organic Compounds Emissions or a Limit of 20 Parts per Million by Volume
Non-flare control device or recovery deviceParameters to be monitored
a Monitor may be installed in the firebox or in the ductwork immediately downstream of the firebox before any substantial heat exchange is encountered.
1. All control and recovery devicesa. Presence of flow diverted to the atmosphere from the control and recovery device; or
b. Monthly inspections of sealed valves
2. Absorbera. Exit temperature of the absorbing liquid; and
b. Exit specific gravity
3. Boiler or process heater with a design heat input capacity less than 44 megawatts and vent stream is not introduced with or as the primary fuelFirebox temperature a
4. Catalytic incineratorTemperature upstream and downstream of the catalyst bed
5. Carbon adsorber, regenerativea. Total regeneration stream mass or volumetric flow during carbon bed regeneration cycle(s); and
b. Temperature of the carbon bed after regeneration [and within 15 minutes of completing any cooling cycle(s)]
6. Carbon adsorber, non-regenerative or regenerated offsiteBreakthrough
7. CondenserExit (product side) temperature
8. Scrubber for halogenated vent streamsa. pH of scrubber effluent; and
b. Scrubber liquid and gas flow rates
9. Thermal incineratorFirebox temperature a
10. Control devices other than an incinerator, boiler, process heater, or flare; or recovery devices other than an absorber, condenser, or carbon adsorberAs specified by the Administrator

[89 FR 43067, May 16, 2024]

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