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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 has reached a pivotal settlement with Chevron that will significantly enhance air monitoring data transparency, providing more information about air pollutants around the Richmond refinery. The agreement requires Chevron to take new data access and community engagement actions beyond those required by regulation or permit.

The Air District is extending an air quality advisory for wildfire smoke in the Napa Valley through tomorrow, Thursday, June 2. Smoke from the Old Fire in Napa County is expected to impact the Napa Valley. Isolated pockets of elevated air pollution levels are possible near the fire, however, pollution levels are not expected to exceed the national 24-hour standard. A Spare the Air Alert is not in effect. Smoky, hazy skies may be visible and the smell of smoke may be present in the Napa Valley through Thursday. 

The Air District is issuing an air quality advisory for wildfire smoke in eastern Contra Costa County for today and tomorrow, Tuesday, July 12, and Wednesday, July 13. Smoke from the Marsh Fire is expected to impact the eastern Contra Costa cities of Pittsburgh, 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. 

APPENDIX A RULE 12-16 EMISSION LIMITS METHODOLOGY ...

Dec 23, 2003 ... ENGINEERING EVALUATION REPORT SONOMA COUNTY LANDFILL APPLICATION NUMBER 006178 BACKGROUND: The Sonoma County Department of Transportation and Public Works has applied for an Authority to ...

Dec 6, 2017 ... ...

Tomorrow, Tuesday, September 12, is a Spare the Air Day

dic. 20, 2012 ... REGULATION 2 PERMITS RULE 6 MAJOR FACILITY REVIEW INDEX 2-6-100 GENERAL 2-6-101 Description 2-6-110 Exemption, Asbestos 2-6-111 Exemption, Wood Heaters 2-6-112 Exemption, Motor Vehicles ...

dic. 20, 2012 ... REGULATION 2 PERMITS RULE 1 GENERAL REQUIREMENTS INDEX 2-1-100 GENERAL 2-1-101 Description 2-1-102 Applicability to Other Rules in Regulation 2 2-1-103 Exemption, Source not Subject to any ...

mar. 1, 2012 ... March 1, 2012 VIA EMAIL Bay Area Air Quality Management District Carol Lee Greg Stone 939 Ellis Street San Francisco, CA 94109 clee@baaqmd.gov gstone@baaqmd.gov RE: CBE Comments on ...

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jun. 25, 2025 ... Programa de Subvenciones para la Comunidad James Cary Smith del Distrito de Aire del Área de la Bahía Resúmenes de los proyectos del ciclo 2 (plazo de la subvención: de julio de 2025 a julio de ...

nov. 9, 2018 ... NEWS RELEASE FOR IMMEDIATE RELEASE: November 9, 2018 CONTACT: Walter Wallace, 415.519.4628 A Winter Spare the Air Alert is being called through Monday, November 12, due to ...

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Dec 8, 2016 ... BAY AREA AIR QUALITY MANAGEMENT DISTRICT RESOLUTION NO. 2016-13 A Resolution of the Board of Directors of the Bay Area Air Quality Management District Adopting Amendments to District Regulation ...

Nov 25, 2013 ... BAY AREA AIR QUALITY MANAGEMENT DISTRICT RESOLUTION NO. 2013· 04 A Resolution of the Board of Directors of the Bay Area Air Quality Management District Adopting District Regulation 6, Rule 4: Metal ...

may. 18, 2022 ... BAY AREA AIR QUALITY MANAGEMENT DISTRICT RESOLUTION No. 2022 - 08 A Resolution of the Board of Directors of the Bay Area Air Quality Management District Adopting Regulation 13, Rule 5 (Climate ...