40 CFR Table 2
Operating Requirements
June 9, 2020
Open Table
| If you operate a(n) . . . | You must . . . | Or you must . . . |
|---|---|---|
| (1) Thermal oxidizer | Maintain the 3-hour block average firebox temperature above the minimum temperature established during the performance test | Maintain the 3-hour block average THC concentrationa in the thermal oxidizer exhaust below the maximum concentration established during the performance test. |
| (2) Catalytic oxidizer | Maintain the 3-hour block average catalytic oxidizer temperature above the minimum temperature established during the performance test; AND check the activity level of a representative sample of the catalyst at least every 12 months | Maintain the 3-hour block average THC concentrationa in the catalytic oxidizer exhaust below the maximum concentration established during the performance test. |
| (3) Biofilter | Maintain the 24-hour block biofilter bed temperature within the range established according to §63.2262(m) | Maintain the 24-hour block average THC concentrationa in the biofilter exhaust below the maximum concentration established during the performance test. |
| (4) Control device other than a thermal oxidizer, catalytic oxidizer, or biofilter | Petition the EPA Administrator for site-specific operating parameter(s) to be established during the performance test and maintain the average operating parameter(s) within the range(s) established during the performance test | Maintain the 3-hour block average THC concentrationa in the control device exhaust below the maximum concentration established during the performance test. |
| (5) Process unit that meets a compliance option in Table 1A of this subpart, or a process unit that generates debits in an emissions average without the use of a control device | Maintain on a daily basis the process unit controlling operating parameter(s) within the ranges established during the performance test according to §63.2262(n) | Maintain the 3-hour block average THC concentrationa in the process unit exhaust below the maximum concentration established during the performance test. |
aYou may choose to subtract methane from THC measurements.
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