Rule Development

The District develops and amends its rules as required by state and federal law and in the interest of fulfilling its mission to protect public health from the harmful effects of air pollution.

Current Rule Development Activities

Rule Expected Hearing Date Documents
Rule 3.25, Federal New Source Review for New and Modified Major PM2.5 Sources (existing rule) May 15, 2019 Final Staff Report
Final Rule Language
NEW RULE – Registration Requirements for Equipment Subject to California’s Oil and Gas Regulation Summer 2019  

Upcoming Workshops

  • None

If you would like to be added to the District’s mailing list for future rule development notices, please e-mail Paul Hensleigh at

Recent Rule Adoptions and Revisions

Rule Language Date Adopted Documents
Rule 2.27: Large Boilers May 15, 2019 Staff Report
Rule 2.45 Boilers May 15, 2019  Staff Report
Rule 4.3: Fees – Asbestos Demolitions/Renovations December 12, 2018 Staff Report
Rule 2.29 Graphic Arts Printing Operations July 11, 2018 Staff Report
Rule 3.25: Federal New Source Review for New and Modified Major PM2.5 Sources July 12, 2017 Staff Report
Rule 2.31 Solvent Cleaning and Degreasing April 12, 2017 Staff Report
Rule 2.14: Architectural Coatings October 12, 2016 Staff Report
Rule 2.21: Organic Liquid Storage and Transfer September 14, 2016 Staff Report


Potential Regulatory Measures

The California Health and Safety Code requires the District to post a list of all regulatory measures which may be adopted or amended in a calendar year.

2019 Regulatory Measure List