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42 U.S.C. 7401 et seq.
36 FR 24877, Dec. 23, 1971, unless otherwise noted.
89 FR 43108, May 16, 2024, unless otherwise noted.
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| Non-flare control device or recovery device |
Parameters to be monitored |
|---|---|
| 1. All control and recovery devices | a. Presence of flow diverted to the atmosphere from the control and recovery device; or |
| b. Monthly inspections of sealed valves | |
| 2. Absorber | a. 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 fuel | Firebox temperature a |
| 4. Catalytic incinerator | Temperature upstream and downstream of the catalyst bed |
| 5. Carbon adsorber, regenerative | a. 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 offsite | Breakthrough |
| 7. Condenser | Exit (product side) temperature |
| 8. Scrubber for halogenated vent streams | a. pH of scrubber effluent; and |
| b. Scrubber liquid and gas flow rates | |
| 9. Thermal incinerator | Firebox temperature a |
| 10. Control devices other than an incinerator, boiler, process heater, or flare; or recovery devices other than an absorber, condenser, or carbon adsorber | As specified by the Administrator |
| a Monitor may be installed in the firebox or in the ductwork immediately downstream of the firebox before any substantial heat exchange is encountered. | |