Code of Federal Regulations > Title 40 > Chapter I > Part 60 > Subpart FFFF > Appendix - Table 3 to Subpart FFFF of Part 60—Model Rule

Regulations last checked for updates: Sep 17, 2025

Title 40 - Protection of Environment last revised: Nov 17, 2025

Appendix - Table 3 to Subpart FFFF of Part 60—Model Rule—Operating Limits for Incinerators

As stated in § 60.3023, you must comply with the following:

For these operating parameters	You must establish operating limits	And monitoring using these minimum frequencies
For these operating parameters	You must establish operating limits	Data measurement	Data recording	Averaging time
1. Charge rate	Maximum charge rate	Periodic	For batch units, each batch. For continuous or intermittent units, every hour	Daily for batch units or units complying with § 60.3033(d). 3-hour rolling for continuous and intermittent units. ^a
2. Combustion temperature	Minimum combustion chamber operating temperature	Continuous	Every 15 minutes	3-hour rolling. ^a
3. Pressure drop across the wet scrubber or amperage to wet scrubber	Minimum pressure drop or amperage	Continuous	Every 15 minutes	3-hour rolling. ^a
4. Wet scrubber liquor flow rate	Minimum flow rate at inlet to the scrubber	Continuous	Every 15 minutes	3-hour rolling. ^a
5. Wet scrubber liquor pH	Minimum pH at scrubber outlet	Continuous	Every 15 minutes	3-hour rolling. ^a
6. Dry scrubber sorbent injection	Minimum injection rate of each sorbent	Continuous	Every 15 minutes	3-hour rolling. ^a
7. Electrostatic precipitator secondary electric power	Minimum secondary electric power, calculated from the secondary voltage and secondary current	Continuous	Every 15 minutes	3-hour rolling. ^a
8. Bag leak detection system alarm time	Alarm time <5 percent of the operating time during a 6-month period	Continuous	Each date and time of alarm start and stop	Calculate alarm time as specified in § 60.3023(f).
9. Waste profile	The amount of each waste category burned as a percentage of total waste burned on a mass basis	Periodic	For batch units, each batch. For continuous or intermittent units, every hour	Calendar quarter.

^a Calculated each hour as the average of the previous 3 operating hours.

[90 FR 27969, June 30, 2025]

authority: 42 U.S.C. 7401

source: 36 FR 24877, Dec. 23, 1971, unless otherwise noted.