40 CFR Table 2
Operating Limits if Using Add-On Control Devices and Capture System
June 9, 2020
If you are required to comply with the operating limits by §63.4292, you must comply with the applicable operating limits in the following table:
Open Table
| For the following device . . . | You must meet the following operating limit . . . |
And you must demonstrate continuous compliance with the operating limit by . . . |
|---|---|---|
| 1. Thermal oxidizer | a. The average temperature in any 3-hour block period must not fall below the temperature limit established according to §63.4363(a) | i. Collecting the temperature data according to §63.4364(c); ii. Reducing the data to 3-hour block averages; and iii. Maintaining the 3-hour block average temperature at or above the temperature limit. |
| 2. Catalytic oxidizer | a. The average temperature measured at the inlet to the catalyst bed in any 3-hour block period must not fall below the limit established according to §63.4363(b); and either | i. Collecting the temperature data according to §63.4364(c); ii. reducing the data to 3-hour block averages; and iii. maintaining the 3-hour block average catalyst bed inlet temparature at or above temperature limit. |
| b. Ensure that the average temperature difference across the catalyst bed in any 3-hour block period does not fall below the temperature difference limit established according to §63.4363(b)(2); or | Collecting the temperature data according to §63.4364(c), reducing the data to 3-hour block averages, and maintaining the 3-hour block average temperature difference at or above the temperature difference limit. | |
| c. Develop and implement an inspection and maintenance plan according to §63.4363(b)(4) | Maintaining an up-to-date inspection and maintenance plan, records of annual catalyst activity checks, records of monthly inspections of the oxidizer system, and records of the annual internal inspections of the catalyst bed. If a problem is discovered during a monthly or annual inspection required by §63.4363(b)(4), you must take corrective action as soon as practicable consistent with the manufacturer's recommendations. | |
| 3. Emission capture system | Submit monitoring plan to the Administrator that identifies operating parameters to be monitored according to §63.4364(e) | Conduct monitoring according to the plan (§63.4364(e)(3)). |
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