To obtain a permit from South Coast AQMD, owners and/or operators of equipment that emits air contaminants may be required to comply with the new source review (NSR) requirements of South Coast AQMD's Regulation XIII or Rule 2005 (PDF). One possible requirement is the application of Best Available Control Technology (BACT).

What's New! To receive notices of BACT Scientific Review Committee meetings and new BACT determinations, please sign up for South Coast AQMD's News reports.

If you have any questions or comments, please contact: BACT Team

The BACT Guidelines are in the process of periodic updates as new BACT determinations and Guidelines are established.

Proposed Updates to the BACT Guidelines presented at the 7/22/20 BACT SRC meeting area available at www.aqmd.gov/home/permits/bact/public-notices-docket