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Air PBR 106.374: Lime-Slaking Facilities

Lime-slaking facilities must meet the conditions stated in 30 TAC Sections 106.4 and 106.374 to be permitted by rule. No registration or fee is required. Recordkeeping requirements are discussed.

Any lime slaking facility used to mix quicklime with water is permitted by rule if it meets the conditions stated in Title 30, Texas Administrative Code (30 TAC), Section 106.374 as well as the general conditions in 30 TAC Section 106.4 .

To find out whether your facility meets the general conditions stated in Section 106.4, complete our PBR Applicability Checklist, TCEQ Form - 10149.

To determine if your facility meets the specific requirements for this PBR, complete the PBR 106.374 Checklist, TCEQ Form - 10131.

Quick Screen

Be sure your facility does not exceed the emission limits of 25 tons of particulate matter per year as stated in Section 106.4. If you cannot comply with this limit or any other conditions of this PBR, see Types of New Source Review Authorizations for other options.


This PBR does not require you to register or pay a fee.


Under 30 TAC Section 106.8 , your records must identify the rules under which your facility is operating and demonstrate compliance for a rolling 12-month period. Be sure you keep at least these records:

These records must be kept on site and readily available on request for inspection by the TCEQ or any air pollution control program that has jurisdiction. If you have questions about the type of records you should keep, contact the Air Program in the TCEQ regional office that serves your county.

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