Best Available Control Technology (BACT)


Proposed Amended BACT Guidelines is available for a 30-day comment period ending on Tuesday, November 1, 2016 at 5:00 p.m. PST

Please submit written comments via e-mail to

Written comments can also be mailed to:
South Coast Air Quality Management District
BACT Docket
Science and Technology Advancement Office
21865 Copley Drive
Diamond Bar, CA  91765-0934

Proposed Amended BACT Guidelines is available here.


To obtain a permit from SCAQMD, owners and/or operators of equipment that emits air contaminants may be required to comply with the new source review (NSR) requirements of SCAQMD'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 SCAQMD's eNews 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.

More Information


  •    BACT Team
       Ph: 909-396-2516
  • 909-396-2491