Code of Federal Regulations Title 40. Protection of Environment 40 CFR Pt. 60, Subpt. MMMM, Tbl. 4 Table 4 to Subpart MMMM of Part 60—Model Rule—Operating Parameters for Existing Sewage Sludge Incineration Units  a]

All sewage sludge incineration units

Combustion chamber operating temperature (not required if afterburner temperature is monitored).

Minimum combustion chamber operating temperature or afterburner temperature.

Continuous

Every 15 minutes

12-hour block.

Fugitive emissions from ash handling

Site-specific operating requirements

Not applicable

No applicable

Not applicable.

Scrubber

Pressure drop across each wet scrubber.

Minimum pressure drop

Continuous

Every 15 minutes

12-hour block.

Scrubber liquid flow rate

Minimum flow rate

Continuous

Every 15 minutes

12-hour block.

Scrubber liquid pH

Minimum pH

Continuous

Every 15 minutes

3-hour block.

Fabric Filter

Alarm time of the bag leak detection system alarm.

Maximum alarm time of the bag leak detection system alarm (this operating limit is provided in § 60.4850 and is not established on a site-specific basis)

Electrostatic precipitator

Secondary voltage of the electrostatic precipitator collection plates.

Minimum power input to the electrostatic precipitator collection plates.

Continuous

Hourly

12-hour block.

Secondary amperage of the electrostatic precipitator collection plates.

Effluent water flow rate at the outlet of the electrostatic precipitator.

Minimum effluent water flow rate at the outlet of the electrostatic precipitator.

Hourly

Hourly

12-hour block.

Activated carbon injection

Mercury sorbent injection rate

Minimum mercury sorbent injection rate.

Hourly

Hourly

12-hour block.

Dioxin/furan sorbent injection rate

Minimum dioxin/furan sorbent injection rate.

Carrier gas flow rate or carrier gas pressure drop.

Minimum carrier gas flow rate or minimum carrier gas pressure drop.

Continuous

Every 15 minutes

12-hour block.

Afterburner

Temperature of the afterburner combustion chamber.

Minimum temperature of the afterburner combustion chamber.

Continuous

Every 15 minutes

12-hour block.