BACT Guidelines

Best Available Control Technology Guidelines

The BACT Guidelines consist of the following elements:

  • Overview (PDF, 299kb)
  • PART A: POLICY AND PROCEDURES FOR MAJOR POLLUTING FACILITIES (PDF, 299kb)

    Part A of the BACT Guidelines explains what BACT is, why it is required, when it is required, and how it is determined for major polluting facilities. Persons who want to learn about BACT and the BACT process for major polluting facilities should start by reading Part A.

  • PART B: LAER/BACT DETERMINATIONS FOR MAJOR POLLUTING FACILITIES

    The current Part B began in March 1999 with listings for only boilers, degreasers, and spray booths. As new permits are issued, they will be added to the current Part B, which includes three sections:

  • PART C: POLICY AND PROCEDURES FOR NON-MAJOR POLLUTING FACILITIES (PDF, 299kb)

    Part C of the BACT Guidelines explains what BACT is, why it is required, when it is required, and how it is determined for non-major polluting facilities. Persons who want to learn about BACT and the BACT process for non-major polluting facilities should start by reading Part C.

  • PART D: BACT GUIDELINES FOR NON-MAJOR POLLUTING FACILITIES (PDF, 424kb)
    Part D of the BACT Guidelines provides the BACT requirements for more than 100 different categories of equipment.

If you have any questions, comments, or wish to receive documents, please contact: BACT_Team@aqmd.gov