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


Upcoming Workshops

  • There are no upcoming workshops.

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 3.26: Oil and Gas Registration

October 9, 2019

Staff Report

Rule 3.25 Federal New Source Review for New and Modified Major PM2.5 Sources

May 15, 2019

Staff Report

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

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.

2021 Regulatory Measure List