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Advisory
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Planned prescribed burning on Angel Island has been canceled.
Air quality is improving, and the Air District continues to monitor smoke across the region. Crews may remain on site today to extinguish remaining hot spots, but no additional prescribed burning is planned. Today’s Spare the Air Alert is for ozone and is separate from Tuesday's smoke impacts.
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Bawasan ang polusyon sa hangin. Remote na magtrabaho, maglakad, magbisikleta, makipag-carpool, o gumamit ng pampublikong transportasyon. |
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Giảm thiểu ô nhiễm không khí. Làm việc từ xa, đi bộ, đạp xe, đi chung xe hoặc sử dụng phương tiện giao thông công cộng. |
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Reduzca la contaminación atmosférica. Trabaje a distancia, camine, use la bicicleta, comparta el automóvil o use el transporte público. |
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191 results for '9 rule 4'
Search: '9 rule 4'
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Draft Rule 9-13: NOx, PM, and TACs from Portland Cement Manufacturing
Draft Rule 9-13: NOx, PM, and TACs from Portland Cement Manufacturing(29 Kb PDF, 9 pgs)Nov 17, 2011 ... DRAFT November 2011 REGULATION 9 INORGANIC GASEOUS POLLUTANTS RULE 13 NITROGEN OXIDES, PARTICULATE MATTER, AND TOXIC AIR CONTAMINANTS FROM PORTLAND CEMENT MANUFACTURING INDEX 9-13-100 GENERAL ...
Read MoreNov 17, 2011 ... DRAFT November 2011 REGULATION 9 INORGANIC GASEOUS POLLUTANTS RULE 13 NITROGEN OXIDES, PARTICULATE MATTER, AND TOXIC AIR CONTAMINANTS FROM PORTLAND CEMENT MANUFACTURING INDEX 9-13-100 GENERAL ...
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Petition for Conditional Order for Abatement, Filed by Air District on 4/9/26
Petition for Conditional Order for Abatement, Filed by Air District on 4/9/26(432 Kb PDF, 17 pgs)Apr 9, 2026 ... 1 ALEXANDER G. CROCKETT (State Bar No. 193910) General Counsel 2 ALEXANDRA KAMEL (State Bar No. 282295) Senior Assistant Counsel 3 OMONIGHO OIYEMHONLAN (State Bar No. 331053) Assistant Counsel ...
Read MoreApr 9, 2026 ... 1 ALEXANDER G. CROCKETT (State Bar No. 193910) General Counsel 2 ALEXANDRA KAMEL (State Bar No. 282295) Senior Assistant Counsel 3 OMONIGHO OIYEMHONLAN (State Bar No. 331053) Assistant Counsel ...
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Amending Regulation 9, Rule 4 (Nitrogen Oxides from Fan-Type Residential Furnaces) and Amending Regulation 9, Rule 6 (Nitrogen Oxides Emissions from Natural Gas-Fired Boilers and Water Heaters); and Certifying a California Environmental Quality Act Environmental Impact Report
Amending Regulation 9, Rule 4 (Nitrogen Oxides from Fan-Type Residential Furnaces) and Amending Regulation 9, Rule 6 (Nitrogen Oxides Emissions from Natural Gas-Fired Boilers and Water Heaters); and Certifying a California Environmental Quality Act Environmental Impact Report(6 Mb PDF, 45 pgs)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 ...
Read MoreBAY 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 ...
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CEQA Notice of Intent for Proposed Regulation 9, Rule 14: Petroleum Coke Calcining
CEQA Notice of Intent for Proposed Regulation 9, Rule 14: Petroleum Coke Calcining(206 Kb PDF, 1 pg)Jan 28, 2016 ... California Environmental Quality Act NOTICE OF INTENT TO ADOPT NEGATIVE DECLARATION LEAD AGENCY: Bay Area Air Quality Management District Contact: Greg Nudd Phone: 415-749-4786 SUBJECT: ...
Read MoreJan 28, 2016 ... California Environmental Quality Act NOTICE OF INTENT TO ADOPT NEGATIVE DECLARATION LEAD AGENCY: Bay Area Air Quality Management District Contact: Greg Nudd Phone: 415-749-4786 SUBJECT: ...
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Proposed Amendments to Regulation 9, Rule 10: NOx & CO from Refinery Boilers & Heaters
Proposed Amendments to Regulation 9, Rule 10: NOx & CO from Refinery Boilers & Heaters(36 Kb PDF, 9 pgs)Nov 15, 2010 ... Draft 11-4-2010 REGULATION 9 INORGANIC GASEOUS POLLUTANTS RULE 10 NITROGEN OXIDES AND CARBON MONOXIDE FROM BOILERS, STEAM GENERATORS AND PROCESS HEATERS IN PETROLEUM REFINERIES INDEX 9-10-100 ...
Read MoreNov 15, 2010 ... Draft 11-4-2010 REGULATION 9 INORGANIC GASEOUS POLLUTANTS RULE 10 NITROGEN OXIDES AND CARBON MONOXIDE FROM BOILERS, STEAM GENERATORS AND PROCESS HEATERS IN PETROLEUM REFINERIES INDEX 9-10-100 ...
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Public Hearing Notice for Amendments to Regulation 9, Rule 7 and Regulation 1
Public Hearing Notice for Amendments to Regulation 9, Rule 7 and Regulation 1(59 Kb PDF, 2 pgs)Apr 4, 2011 ... PUBLIC HEARING NOTICE April 4, 2011 TO: INTERESTED PARTIES FROM: EXECUTIVE OFFICER / APCO SUBJECT: PUBLIC HEARING: PROPOSED AMENDMENTS TO REGULATION 9, RULE 7: NITROGEN OXIDES AND ...
Read MoreApr 4, 2011 ... PUBLIC HEARING NOTICE April 4, 2011 TO: INTERESTED PARTIES FROM: EXECUTIVE OFFICER / APCO SUBJECT: PUBLIC HEARING: PROPOSED AMENDMENTS TO REGULATION 9, RULE 7: NITROGEN OXIDES AND ...
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Updated Frequently Asked Questions: Boilers and the Air District's Regulation 9, Rule 7
Updated Frequently Asked Questions: Boilers and the Air District's Regulation 9, Rule 7(691 Kb PDF, 4 pgs)Jul 8, 2011 ... Frequent Updated July 2011 What is Regulation 9-7? This Air District regulation limits the air pollution emissions of nitrogen oxides, or NOx, and carbon monoxide, or ...
Read MoreJul 8, 2011 ... Frequent Updated July 2011 What is Regulation 9-7? This Air District regulation limits the air pollution emissions of nitrogen oxides, or NOx, and carbon monoxide, or ...
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Revised Proposed Regulation 6, Rule 4: Metal Recycling and Shredding Operations (03/29/13)
Revised Proposed Regulation 6, Rule 4: Metal Recycling and Shredding Operations (03/29/13)(41 Kb PDF, 7 pgs)Mar 29, 2013 ... DRAFT March 2013 REGULATION 6 PARTICULATE MATTER RULE 4 METAL RECYCLING AND SHREDDING OPERATIONS INDEX 6-4-100 GENERAL 6-4-101 Description 6-4-102 Applicability 6-4-103 Exemption, Regulation ...
Read MoreMar 29, 2013 ... DRAFT March 2013 REGULATION 6 PARTICULATE MATTER RULE 4 METAL RECYCLING AND SHREDDING OPERATIONS INDEX 6-4-100 GENERAL 6-4-101 Description 6-4-102 Applicability 6-4-103 Exemption, Regulation ...
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CEQA Initial Study / Negative Declaration for Proposed Regulation 9, Rule 14: Petroleum Coke Calcining
CEQA Initial Study / Negative Declaration for Proposed Regulation 9, Rule 14: Petroleum Coke Calcining(1 Mb PDF, 84 pgs)Jan 28, 2016 ... Initial Study/Negative Declaration for the Bay Area Air Quality Management District BAAQMD Regulation 9, Rule 14 (Regulation 9-4): Petroleum Coke Calcining Operations ...
Read MoreJan 28, 2016 ... Initial Study/Negative Declaration for the Bay Area Air Quality Management District BAAQMD Regulation 9, Rule 14 (Regulation 9-4): Petroleum Coke Calcining Operations ...
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Summary of Wood Burning Rule Amendments
Summary of Wood Burning Rule Amendments(21 Kb PDF, 1 pg)Nov 12, 2015 ... Summary of Regulation 6, Rule 3 Amendments Rule Description of Requirements Effective Date Amendment Sole Source of Heat • Must replace to an EPA certified wood-burning Nov. 1, 2016 Exemption ...
Read MoreNov 12, 2015 ... Summary of Regulation 6, Rule 3 Amendments Rule Description of Requirements Effective Date Amendment Sole Source of Heat • Must replace to an EPA certified wood-burning Nov. 1, 2016 Exemption ...
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New Regulation 9, Rule 6, Emission Limits for Natural Gas-Fired Water Heaters and Boliers
New Regulation 9, Rule 6, Emission Limits for Natural Gas-Fired Water Heaters and Boliers(45 Kb PDF, 2 pgs)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 ...
Read MoreJan 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 ...
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Directing Staff to Submit Regulation 9, Rule 4 (Nitrogen Oxides from Natural-Gas Fired Furnaces) and Regulation 9, Rule 6 (Nitrogen Oxides Emissions from Natural Gas-Fired Boilers and Water Heaters) to California Air Resources Board and US Environmental Protection Agency for Inclusion in the State Implementation Plan
Directing Staff to Submit Regulation 9, Rule 4 (Nitrogen Oxides from Natural-Gas Fired Furnaces) and Regulation 9, Rule 6 (Nitrogen Oxides Emissions from Natural Gas-Fired Boilers and Water Heaters) to California Air Resources Board and US Environmental Protection Agency for Inclusion in the State Implementation Plan(1 Mb PDF, 4 pgs)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, ...
Read MoreJun 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, ...
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New Regulation 9, Rule 8, Nitrogen Oxide and Carbon Monoxide Emission Limits for Stationary Internal Combustion Engines
New Regulation 9, Rule 8, Nitrogen Oxide and Carbon Monoxide Emission Limits for Stationary Internal Combustion Engines(43 Kb PDF, 2 pgs)Jun 11, 2008 ... Compliance and Enforcement Division June 10, 2008 Compliance Advisory This Advisory is provided to inform you about activities of the Air District which may affect your operation.
Read MoreJun 11, 2008 ... Compliance and Enforcement Division June 10, 2008 Compliance Advisory This Advisory is provided to inform you about activities of the Air District which may affect your operation.
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Guidance to Prepare Regulation 6-4 Emissions Minimization Plan
Guidance to Prepare Regulation 6-4 Emissions Minimization Plan(242 Kb PDF, 2 pgs)Jan 13, 2021 ... Regulation 6, Particulate Matter, Rule 4: Metal Recycling and Shredding Operations 2021 Guidance to Update Emissions Minimization Plan Attention: Owners and Operators of Metal Recycling and ...
Read MoreJan 13, 2021 ... Regulation 6, Particulate Matter, Rule 4: Metal Recycling and Shredding Operations 2021 Guidance to Update Emissions Minimization Plan Attention: Owners and Operators of Metal Recycling and ...
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Season’s First Spare the Air Day 21 Transit Agencies offering Free Morning Rides Tomorrow from 4 AM to 9 AM
Season’s First Spare the Air Day 21 Transit Agencies offering Free Morning Rides Tomorrow from 4 AM to 9 AM(34 Kb PDF, 2 pgs)Season’s First Spare the Air Day 21 Transit Agencies offering Free Morning Rides Tomorrow from 4 AM to 9 AM
Read MoreSeason’s First Spare the Air Day 21 Transit Agencies offering Free Morning Rides Tomorrow from 4 AM to 9 AM
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Air District publishes draft changes to water heater rule that delay implementation and lower costs
Air District publishes draft changes to water heater rule that delay implementation and lower costs(209 Kb PDF, 2 pgs)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 ...
Read MoreAug 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 ...
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Appendices C & D: Concept Papers for Changes to Rule 9-1 -- Refinery Fuel Gas Sulfur Units and Limiting Sulfur Dioxide Emissions from Sulfur Acid Plants, incl. Draft Amendments
Appendices C & D: Concept Papers for Changes to Rule 9-1 -- Refinery Fuel Gas Sulfur Units and Limiting Sulfur Dioxide Emissions from Sulfur Acid Plants, incl. Draft Amendments(308 Kb PDF, 15 pgs)May 26, 2015 ... Draft: 05‐14‐15 Appendix C: Concept Paper for Changes to Rule 9‐1: Refinery Fuel Gas Sulfur Limits Rules to Be Amended or Drafted Regulation of refinery fuel gas (RFG) requires amendments to Air D ...
Read MoreMay 26, 2015 ... Draft: 05‐14‐15 Appendix C: Concept Paper for Changes to Rule 9‐1: Refinery Fuel Gas Sulfur Limits Rules to Be Amended or Drafted Regulation of refinery fuel gas (RFG) requires amendments to Air D ...
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Amending District Regulation 9, Rule 10: Nitrogen Oxides and Carbon Monoxide from Boilers, Steam Generators and Process Heaters in Petroleum Refineries and Adopting a CEQA Negative Declaration for the Project
Amending District Regulation 9, Rule 10: Nitrogen Oxides and Carbon Monoxide from Boilers, Steam Generators and Process Heaters in Petroleum Refineries and Adopting a CEQA Negative Declaration for the Project(410 Kb PDF, 17 pgs)Nov 25, 2013 ... BAY AREA AIR QUALITY MANAGEMENT DISTRICT RESOLUTION NO. 2013-10 A Resolution ofthe Board of Directors of the Bay Area Ail' Quality Management District Amending District Regulation 9, Rule 10: ...
Read MoreNov 25, 2013 ... BAY AREA AIR QUALITY MANAGEMENT DISTRICT RESOLUTION NO. 2013-10 A Resolution ofthe Board of Directors of the Bay Area Ail' Quality Management District Amending District Regulation 9, Rule 10: ...
上次更新： 2016/11/8