Best Available Control Tech.

Best Available Control Technology (BACT)


A BACT SRC meeting was held on October 3, 2018 at SCAQMD Headquarters to propose the next round of updates.  The public comment period has begun and will end on November 3, 2018.  Please submit your comments in writing by E-mail: or by mail:

Al Baez, BACT Program Supervisor
21865 Copley Drive
Diamond Bar, CA 91765

The October 3, 2018 meeting agenda can be viewed here.

Meeting slides can be viewed 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.

Ask the SCAQMD BACT Team
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South Coast Air Quality Management District

21865 Copley Dr, Diamond Bar, CA 91765



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