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The Air District Board of Directors has adopted amendments to Regulation 9, Rules 4 and 6, to eliminate emissions of nitrogen oxides, or NOx, from residential and commercial natural gas furnaces and water heaters in the Bay Area by requiring new appliances to be zero-NOx. 

The Air District is seeking to adopt regulatory amendments to Regulation 6, Rule 3 to further reduce fine particulate emissions from wood burning. Written comments on the proposed rule amendments must be received by 9:00 am on Monday, October 19, 2015. A public hearing to adopt these proposed amendments is scheduled for Wednesday, October 21, 2015.

On July 14, the Air District released draft amended rule language outlining potential exemptions and a delayed start date for the existing zero-NOx residential water heater requirement under Air District Rule 9-6. The Air District is publishing the draft language for public review and comment ahead of the Board of Directors' consideration for adoption this fall.

Jan 17, 2008 ... Compliance and Enforcement Division January 17, 2008 Compliance Advisory This Advisory is provided to inform you about activities of the Air District which may affect your operation. It ...

Sep 27, 1996 ... Source Test Method ST-20 SULFUR DIOXIDE, SULFUR TRIOXIDE, SULFURIC ACID MIST (Adopted January 20, 1982) REF: Regulations 6-320, 6-330, 9-1-302, 9-1-304 thru 310, 10-1-301, 12-6-301 1.

Oct 1, 1996 ... Source Test Procedure ST-24 TANK SAMPLING FOR ORSAT ANALYSIS (CO, CO , O ) 2 2 REF: Regulations 6-310.1, 8-1-110.3, 10-3-301, 9-3-301 through 9-3-304 1. APPLICABILITY 1.1 This procedure is used to ...

BAY AREA AIR QUALITY MANAGEMENT DISTRICT RESOLUTION No. 2023 - 03 A Resolution of the Board of Directors of the Bay Area Air Quality Management District Amending Regulation 9, Rule 4 (Nitrogen ...

Jun 21, 2023 ... BAY AREA AIR QUALITY MANAGEMENT DISTRICT RESOLUTION No. 2023 - 09 A Resolution of the Board of Directors of the Bay Area Air Quality Management District Directing Staff to Submit Regulation 9, ...

Aug 17, 2026 ... FOR IMMEDIATE RELEASE: July 14, 2026 CONTACT: communications@baaqmd.gov Air District publishes draft changes to water heater rule that delay implementation and lower costs Draft ...

Nov 17, 2021 ... ...

Learn how the Air District studies economic and community impacts when it creates or updates air quality rules. These studies help the Air District Board of Directors make informed decisions.

View Rank Lists for various years for the Goods Movement Program.

Learn about the Air District’s zero-NOx space and water heating rules.

On Monday, September 28, the Air District is hosting the last of a series of open houses to discuss the agency’s four new and amended draft petroleum refinery emissions reduction rules. This open house will be held at Lincoln Elementary School in Richmond starting at 6pm. The public comment period for these rules and amendments closes on Friday, Oct. 2.

View the latest information about the 2012 Chevron refinery fire.

View letters sent to local cities and counties by the Air District commenting on a project's air quality analysis.

Learn about the options for financing and insuring your new vehicle.