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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. 

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.

The Air District's Board of Directors has adopted two new regulations to further tighten air pollution controls on petroleum operations at Bay Area refineries. Regulation 9, Rule 14 reduces sulfur dioxide emissions from the largest Bay Area source, coke calcining. Regulation 12, Rule 15 is a first-of-its-kind requirement that will better enable the Air District to track refinery emissions as changes are made at the facilities.

The Air District is extending an air quality advisory for wildfire smoke in eastern Contra Costa County through Thursday, July 14. Smoke from the Marsh Fire is expected to continue to impact the eastern Contra Costa cities of Pittsburg, Antioch, Oakley and Brentwood. Onshore winds during the daytime are expected to disperse smoke, but as winds die down overnight localized pollution levels may rise between 10 PM and 9 AM. Pollutant levels are not expected to exceed the national 24-hour health standard. A Spare the Air Alert is not in effect and air quality is expected to be in the moderate range overall. 

Jan 29, 2016 ... REGULATION 9 INORGANIC GASEOUS POLLUTANTS RULE 14 PETROLEUM COKE CALCINING OPERATIONS INDEX 9-14-100 GENERAL 9-14-101 Description 9-14-200 DEFINITIONS 9-14-201 Petroleum Coke Calcining Kiln ...

Apr 14, 2025 ... Bay Area Air Quality Management District 375 Beale Street, Suite 600 San Francisco, CA 94105 (415) 749-5000 Final MAJOR FACILITY REVIEW PERMIT Issued To: Air Products and Chemicals, ...

Jan 29, 2016 ... DRAFT STAFF REPORT PROPOSED REGULATION 9, RULE 14: PETROLEUM COKE CALCINING OPERATIONS Prepared by the staff of the Bay Area Air Quality Management District January 2016 ...

Nov 13, 2015 ... REGULATION 9 INORGANIC GASEOUS POLLUTANTS RULE 14 PETROLEUM COKE CALCINING OPERATIONS INDEX 9-14-100 GENERAL 9-14-101 Description 9-14-200 DEFINITIONS 9-14-201 Petroleum Coke Calcining Kiln ...

Jan 29, 2016 ... January 27, 2016 Socioeconomic Impact Analysis of Proposed Regulation 9, Rule 14: Petroleum Coke Calcining Operations Prepared for: Bay Area Air Quality Management District ...

Oct 28, 2015 ... October 28, 2015 Socioeconomic Impact Analysis of Proposed Regulation 9, Rule 14: Petroleum Coke Calcining Operations Prepared for: Bay Area Air Quality Management District ...

Oct 23, 2015 ... Bay Area Air Quality Management District 939 Ellis Street San Francisco, CA 94109 Staff Report Proposed Regulation 9, Rule 14: PETROLEUM COKE CALCINING OPERATIONS October 2015 ...

Sep 4, 2018 ... NOTICE INVITING WRITTEN PUBLIC COMMENT NOTICE is hereby given that the Executive Officer/Air Pollution Control Officer of the Bay Area Air Quality Management District invites interested persons ...

Apr 14, 2025 ... April 14, 2025 Mr. Gerardo Rios Permits Office Chief United States Environmental Protection Agency Region 9 Air-3-1 75 Hawthorne Street San Francisco, CA 94105 Dear Mr. Rios: ...

Sep 4, 2018 ... September 4, 2018 Ms. Elizabeth Adams Acting Director, Air Division United States Environmental Protection Agency Region 9 75 Hawthorne Street San Francisco, CA 94105 ...

九月 27, 1996 ... Source Test Procedure ST-14 OXYGEN, CONTINUOUS SAMPLING Adopted January 20, 1982 REF: Regulations 9-3-301, 9-3-302 1. APPLICABILITY 1.1 This method is used to quantify emissions of oxygen. It ...

Sep 16, 2014 ... FYE 2015 Transportation Fund For Clean Air Regional Fund Guidance and Application Webinar for Electronic Bicycle Lockers September 16, 2014 Patrick Wenzinger Administrative Analyst ...

五月 12, 2015 ... REGULATION 9 INORGANIC GASEOUS POLLUTANTS RULE 14 PETROLEUM COKE CALCINING OPERATIONS INDEX 9-14-100 GENERAL 9-14-101 Description 9-14-200 DEFINITIONS 9-14-201 30-Operating Day Rolling ...

Apr 14, 2016 ... REGULATION 3 FEES INDEX 3-100 GENERAL 3-101 Description 3-102 Deleted July 12, 1989 3-103 Exemption, Abatement Devices 3-104 Deleted August 2, 1995 3-105 Exemption, Excavation of Contaminated ...