40 CFR Table 4 to Subpart AA of Part 63
Operating Parameters, Operating Limits and Data Monitoring, Recordkeeping and Compliance Frequencies
June 9, 2020
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| For the operating parameter applicable to you, as specified in Table 3 . . . | You must establish the following operating limit . . . | And you must monitor, record, and demonstrate continuous compliance using these minimum frequencies . . . | ||
|---|---|---|---|---|
| Data measurement | Data recording |
Data averaging period for compliance | ||
| Absorbers (Wet Scrubbers) | ||||
| Influent liquid flow | Minimum inlet liquid flow | Continuous | Every 15 minutes | Daily. |
| Influent liquid flow rate and gas stream flow rate | Minimum influent liquid-to-gas ratioa | Continuous | Every 15 minutes | Daily. |
| Pressure drop | Pressure drop range | Continuous | Every 15 minutes | Daily. |
| Sorbent Injection | ||||
| Sorbent injection rate | Minimum injection rate | Continuous | Every 15 minutes | Daily. |
| Sorbent injection carrier gas flow rate | Minimum carrier gas flow rate | Continuous | Every 15 minutes | Daily. |
| Fabric Filters | ||||
| Alarm time | Maximum alarm time is not established on a site-specific basis but is specified in §63.605(f)(9) | Continuous | Each date and time of alarm start and stop | Maximum alarm time specified in §63.605(f)(9). |
| Wet Electrostatic Precipitator | ||||
| Secondary voltage | Secondary voltage range | Continuous | Every 15 minutes | Daily. |
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