| For each new existing catalytic cracking unit . . .
| If you use . . .
| For this operating limit . . .
| You shall demonstrate continuous compliance by . . .
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| 1. Subject to NSPS for carbon monoxide (CO) in 40 CFR 60.103, 60.100(e), 60.102a(b)(4) | Continuous emission monitoring system. | Not applicable | Complying with Table 13 of this subpart, item 1.
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| 2. Not subject to the NSPS for CO in 40 CFR 60.103 or 60.102a(b)(4) | a. Continuous emission monitoring system | Not applicable | Complying with Table 13 of this subpart, item 2.a.
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| | b. Continuous parameter monitoring systems—thermal incinerator. | i. The daily average combustion zone temperature must not fall below the level established during the performance test. | Collecting the hourly and daily average temperature monitoring data according to § 63.1572; and maintaining the daily average combustion zone temperature above the limit established during the performance test.
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| | | ii. The daily average oxygen concentration in the vent stream (percent, dry basis) must not fall below the level established during the performance test. | Collecting the hourly and daily average oxygen concentration monitoring data according to § 63.1572; and maintaining the daily average oxygen concentration above the limit established during the performance test.
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| | c. Continuous parameter monitoring systems—boiler or process heater with a design heat input capacity under 44 MW or boiler or process heater in which all vent streams are not introduced into the flame zone. | The daily combustion zone temperature must not fall below the level established in the performance test. | Collecting the average hourly and daily temperature monitoring data according to § 63.1572; and maintaining the daily average combustion zone temperature above the limit established during the performance test.
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| | d. Continuous parameter monitoring system—flare. | The flare pilot light must be present at all times and the flare must be operating at all times that emissions may be vented to it. | On and after January 30, 2019, meeting the requirements of § 63.670. Prior to January 30, 2019, collecting the flare monitoring data according to § 63.1572 and recording for each 1-hour period whether the monitor was continuously operating and the pilot light was continuously present during each 1-hour period, or meeting the requirements of § 63.670.
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| 3. During periods of startup, shutdown or hot standby electing to comply with the operating limit in § 63.1565(a)(5)(ii). | Any control device | The oxygen concentration limit in § 63.1565(a)(5)(ii) | Collecting the hourly average oxygen concentration monitoring data according to § 63.1572 and maintaining the hourly average oxygen concentration at or above 1 volume percent (dry basis). |