Valley Air District will perform scheduled system maintenance beginning at 6 PM on 6/29/2026. Some services may be temporarily unavailable for several hours.

Compliance Assistance Bulletins

Agricultural Burning
Treated Wood Waste Disposal Agricultural Burning Updated 05/01/2025	VIEW
Phase Outs of Agricultural Burning and Available Funding Support Agricultural Burning Updated 12/23/2024	VIEW
Alternatives to Open Burning of Raisin Trays Agricultural Burning Updated 10/19/2023	VIEW
2023 Phase-Out Schedule For Agricultural Burning Agricultural Burning Updated 08/14/2023	VIEW
2021 Phase-Out Schedule For Agricultural Burning Agricultural Burning Updated 09/01/2021	VIEW
2021 Restrictions On Agricultural Burning Agricultural Burning Updated 03/05/2021	VIEW
2010 Restrictions On Agricultural Burning Agricultural Burning Updated 06/01/2010	VIEW
2007 Restrictions On Agricultural Burning Agricultural Burning Updated 06/01/2007	VIEW
Weed Abatement Burning Agricultural Burning Updated 03/01/2007	VIEW
Agricultural Operations
Spark-Ignited, Rich Burn IC Engines Used in Ag Operations Agricultural Operations Updated 09/27/2023	VIEW
Rule 4702 Emission Standards for Ag Operations Agricultural Operations Updated 12/06/2022	VIEW
Conservation Management Practices Plans Agricultural Operations Updated 02/01/2016	VIEW
Rich-Burn, Spark-Ignited Engines used in Ag Operations Agricultural Operations Updated 08/01/2015	VIEW
Electrification of New Irrigation Wells Agricultural Operations Updated 05/01/2015	VIEW
Conditionally Certified Lambda Management System Retrofits Agricultural Operations Updated 01/01/2015	VIEW
Non-Certified Lambda Management System Retrofits Agricultural Operations Updated 01/01/2015	VIEW
Hour Limitations for IC Engines at Ag Sources Agricultural Operations Updated 08/01/2014	VIEW
Conditionally Certified Exhaust Control Systems Agricultural Operations Updated 07/01/2010	VIEW
Entering an Agreement to Electrify for Ag IC Engines Agricultural Operations Updated 11/01/2008	VIEW
Spark Ignited IC Engines Used in Agricultural Operations Agricultural Operations Updated 04/01/2008	VIEW
Confined Animal Facilities Agricultural Operations Updated 10/01/2007	VIEW
Agricultural Operations With Permitted Equipment Agricultural Operations Updated 10/01/2007	VIEW
Agricultural Internal Combustion Engines Agricultural Operations Updated 03/01/2007	VIEW
Confined Animal Facilities Agricultural Operations Updated 09/01/2006	VIEW
Agricultural Operations With Permitted Equipment Agricultural Operations Updated 03/01/2006	VIEW
Agricultural Sources (Non-Burn)
Use of Low-Dust Nut Harvesters as a Conservation Management Practice Agricultural Sources (Non-Burn) Updated 04/22/2024	VIEW
Conservation Management Practice Plans Agricultural Sources (Non-Burn) Updated 02/01/2016	VIEW
Electrification of New Irrigation Wells Agricultural Sources (Non-Burn) Updated 05/01/2015	VIEW
Confined Animal Facilities (CAF) Agricultural Sources (Non-Burn) Updated 10/01/2007	VIEW
Agricultural Operations with Permitted Equipment Agricultural Sources (Non-Burn) Updated 10/01/2007	VIEW
Agricultural Operations with Permitted Equipment Agricultural Sources (Non-Burn) Updated 03/01/2006	VIEW
Confined Animal Facilities (CAF) Agricultural Sources (Non-Burn) Updated 09/01/2006	VIEW
Asbestos
Asbestos Removal and Demolition Guidelines for Local, State, and Federal Declared Wildfires Asbestos Updated 10/19/2020	VIEW
Asbestos Requirements for Demolition and Renovations Asbestos Updated 07/01/2015	VIEW
Boilers
Rule 4306 - Boilers, Steam Generators, and Process Heaters – new requirements for boilers, steam generators, and process heaters Boilers Updated 08/24/2021	VIEW
Rule 4320 – Advanced Emission Reduction Options for Boilers, Steam Generators, and Process Heaters – new requirements for boilers, steam generators, and process heaters Boilers Updated 08/14/2021	VIEW
Rule 4307 – Boilers, Steam Generators, and Process Heaters – 2.0 to 5.0 MMBtu/hr Regarding upcoming requirements for units subject to Rule 4307 Boilers Updated 03/01/2014	VIEW
Rule 4307 – Boilers, Steam Generators, and Process Heaters – 2.0 to 5.0 MMBtu/hr Boilers Updated 03/01/2013	VIEW
Rule 4320 – Advanced Emission Reduction Options for Boilers, Steam Generators, and Process Heaters Greater than 5.0 MMBtu/hr Boilers Updated 10/01/2012	VIEW
Rule 4308 – Boilers, Steam Generators, and Process Heaters – 0.075 MMBtu/hr to less than 2.0 MMBtu/hr Boilers Updated 12/01/2010	VIEW
Rule 4320 - Advanced Emission Reduction Options for Boilers, Steam Generators, and Process Heaters with a Total Rated Heat Input greater than 5.0 MMBTU/HR Boilers Updated 01/01/2009	VIEW
Rule 4307 - Boilers, Steam Generators, and Process Heaters – 2.0 to 5.0 MMBtu/hr. Boilers Updated 03/01/2008	VIEW
Rule 4304 - Equipment tuning for Boilers, Steam Generators, and Process Heaters Boilers Updated 03/01/2007	VIEW
Rule 4306 - Boilers, Steam Generators, and Process Heaters Boilers Updated 03/01/2007	VIEW
Engines & Generators
Rule 4702 - Requirements for Spark-Ignited Rich Burn Internal Combustion Engines used in Agricultural Operations Engines & Generators Updated 09/27/2023	VIEW
Rule 4702 - Emission Standards for Agricultural Operators Engines & Generators Updated 12/06/2022	VIEW
Rule 4702 - Internal Combustion Engines New Requirements Engines & Generators Updated 09/13/2021	VIEW
Requirements For Portable Tier 1, Tier 2 And Tier 3 Certified Compression-Ignited (Diesel) Engines Engines & Generators Updated 02/06/2019	VIEW
Upcoming Compliance Dates And Requirements For Tier 1 And Tier 2 Certified Compression-Ignited (Diesel) Engines Engines & Generators Updated 04/01/2017	VIEW
Rich-Burn, Spark-Ignited Engines used in Agricultural Operations Engines & Generators Updated 08/01/2015	VIEW
Non-Certified Lambda Management System Retrofits Engines & Generators Updated 01/01/2015	VIEW
Conditionally Certified Lambda Management System Retrofits Engines & Generators Updated 01/01/2015	VIEW
Hour Limitations for Internal Combustion Engines at Agricultural Sources Engines & Generators Updated 08/01/2014	VIEW
Rule 4702 - Internal Combustion Engines Engines & Generators Updated 09/01/2013	VIEW
Rule 4702 – Internal Combustion Engines – Upcoming Requirements for Engines used exclusively in Non-Agricultural Operations Engines & Generators Updated 11/01/2011	VIEW
District Rule 4702 – Conditionally Certified Exhaust Control Systems Engines & Generators Updated 07/01/2010	VIEW
District Registered Portable Diesel Engines Engines & Generators Updated 06/01/2010	VIEW
Rule 4702 - Entering into an Agreement to Electrify for Agricultural Internal Combustion Engines as an Option to Comply with the Requirements of District Rule 4702 Engines & Generators Updated 11/01/2008	VIEW
Rule 4702 - Requirements for Spark-IgnitedSpark-Ignited Internal Combustion Engines Used in Agricultural Operations Engines & Generators Updated 04/01/2008	VIEW
Important Information About Operation of Emergency Standby Engines During Electrical Power Curtailments Engines & Generators Updated 08/01/2007	VIEW
Portable Equipment Engines & Generators Updated 04/01/2007	VIEW
Agricultural Internal Combustion Engines Engines & Generators Updated 03/01/2007	VIEW
eTrip
Rule 9410: Employer Based Trip Reduction - Annual Report Deadline eTrip Updated 10/01/2015	VIEW
Rule 9410: Employer Based Trip Reduction - Deadline eTrip Updated 12/01/2013	VIEW
Rule 9410: Employer Based Trip Reduction eTrip Updated 06/01/2013	VIEW
Rule 9410: Employer Based Trip Reduction eTrip Updated 12/01/2012	VIEW
Rule 9410: Employer Based Trip Reduction eTrip Updated 06/01/2012	VIEW
Rule 9410: Employer Based Trip Reduction eTrip Updated 12/01/2011	VIEW
Rule 9410: Employer Based Trip Reduction eTrip Updated 09/01/2011	VIEW
Rule 9410: Employer Based Trip Reduction - Dealine Approaching eTrip Updated 04/01/2010	VIEW
Flares
Rule 4311 Flares – Reportable Flaring Events & Annual Monitoring Report Flares Updated 07/01/2022	VIEW
Rule 4311 Flares – New Requirements Flares Updated 08/24/2021	VIEW
Gasoline Dispensing & Vapor Recovery
Phase II EVR Requirements for Existing Non-Remote ASTs Gasoline Dispensing & Vapor Recovery Updated 05/06/2024	VIEW
Approval of Healy 900 Nozzle for G-70-187 Systems Gasoline Dispensing & Vapor Recovery Updated 09/20/2023	VIEW
New Gasoline Vapor Recovery Testing 24hr Pass/Fail Online Notification System Gasoline Dispensing & Vapor Recovery Updated 08/01/2017	VIEW
Existing Aboveground Gasoline Storage Tank (AST) Regulatory Advisory Gasoline Dispensing & Vapor Recovery Updated 11/01/2014	VIEW
EVR Requirements for Aboveground Storage Tanks at Agricultural Operations Gasoline Dispensing & Vapor Recovery Updated 11/01/2013	VIEW
Enhanced Vapor Recovery for Aboveground Gasoline Storage Tanks Gasoline Dispensing & Vapor Recovery Updated 02/01/2013	VIEW
PV Valves on Systems Served by Underground Storage Tanks Gasoline Dispensing & Vapor Recovery Updated 02/01/2012	VIEW
Settlement Agreements for Not Installing ISD by Deadline Gasoline Dispensing & Vapor Recovery Updated 09/03/2010	VIEW
Final In-Station Diagnostics (ISD) Installation Deadline Gasoline Dispensing & Vapor Recovery Updated 07/01/2010	VIEW
Bulk Plant Leak Inspection Requirements Gasoline Dispensing & Vapor Recovery Updated 06/01/2010	VIEW
Permit Exempt Equipment Registration (PEER) for Mobile Fuelers Gasoline Dispensing & Vapor Recovery Updated 10/01/2008	VIEW
Bulk Plant Leak Inspections Gasoline Dispensing & Vapor Recovery Updated 08/01/2008	VIEW
Testing Requirements for Phase II Exempt Aboveground Gasoline Storage Tanks Gasoline Dispensing & Vapor Recovery Updated 03/01/2008	VIEW
Healy Scheduled Maintenance for Phase II EVR Gasoline Dispensing & Vapor Recovery Updated 03/01/2008	VIEW
Inspection and Operation & Maintenance Manual Requirements Gasoline Dispensing & Vapor Recovery Updated 01/01/2004	VIEW
Dealing With Excessive Liquid Fuel in Vapor Return Hoses Equipped with Liquid Removal Devices Gasoline Dispensing & Vapor Recovery Updated 09/01/2003	VIEW
Governor Proclamations
Extreme Heat Event and Governor’s Emergency Proclamation Governor Proclamations Updated 08/31/2022	VIEW
Extreme Heat Event and Governor’s Emergency Proclamation Governor Proclamations Updated 09/07/2022	VIEW
State of Emergency for Energy Reliability Governor Proclamations Updated 08/12/2021	VIEW
Oil & Gas
Rule 4623 - Reduced TVP Exemption Threshold Oil & Gas Updated 03/25/2024	VIEW
Rule 4402 - Crude Oil Production Sumps Oil & Gas Updated 12/21/2023	VIEW
Rules 4401, 4409, 4455, 4623, and 4624 Oil & Gas Updated 06/15/2023	VIEW
Petroleum Refinery Fence-line and Community Air Monitoring Oil & Gas Updated 01/01/2020	VIEW
California Air Resources Board’s Oil and Gas Regulation Oil & Gas Updated 01/01/2018	VIEW
District Rule 4402 – Crude Oil Production Sumps Oil & Gas Updated 03/01/2010	VIEW
Rule 4623 – Storage of Organic Liquids Oil & Gas Updated 09/01/2006	VIEW
Reg VIII & ISR
Rule 9510 - Indirect Source Review (ISR) Large Development Project Applicability Reg VIII & ISR Updated 03/01/2018	VIEW
Fugitive Dust Control at Construction Sites: New Requirements Reg VIII & ISR Updated 04/01/2007	VIEW
Control del Polvo Suelto en los terrenos de Construcción: Nuevos Requerimientos Reg VIII & ISR Updated 04/01/2007	VIEW
Regulation VIII – Fugitive PM10 Prohibitions Requirements on Paved and Unpaved Public Roads Reg VIII & ISR Updated 08/01/2006	VIEW
Solvents, Coatings, Adhesives & Sealants
Rule 4653 – Adhesives and Sealants – Changes to Allowable VOC Limits Solvents, Coatings, Adhesives & Sealants Updated 12/01/2011	VIEW
Rule 4612 - Motor Vehicle and Mobile Equipment Coating Operations – Phase II Solvents, Coatings, Adhesives & Sealants Updated 03/01/2009	VIEW
Solvent Cleaning Solvents, Coatings, Adhesives & Sealants Updated 09/01/2008	VIEW
Rule 4606 - Wood Products Coating Operations Solvents, Coatings, Adhesives & Sealants Updated 10/01/2004	VIEW
Source Testing
Important Information for Source Testing at Part 75 Facilities Source Testing Updated 03/01/2012	VIEW
Rule 1081 - Source Sampling Source Testing Updated 07/01/2007	VIEW
Source Test Scheduling Source Testing Updated 03/01/2005	VIEW
Miscellaneous
Rule 4905 - Gas Furnaces - Extension of Fee Option for Manufactured Home Units Miscellaneous Updated 03/19/2026	VIEW
Rule 4354 - New Requirements for Glass Melting Furnaces Miscellaneous Updated 12/16/2021	VIEW
Rule 4352 – Solid Fuel Fired Boilers, Steam Generators, and Process Heaters – New Requirements Miscellaneous Updated 12/16/2021	VIEW
Rule 2280 - District-Registered Portable Equipment Recordkeeping Requirements Miscellaneous Updated 10/23/2019	VIEW
New Requirements For Commercial Underfired Charbroilers Miscellaneous Updated 10/01/2018	VIEW
Rule 4905 - Natural Gas Fired, Fan-Type Central Furnaces Regarding Amendments to the Rule Miscellaneous Updated 08/01/2018	VIEW
Fan-Type Central Furnaces Miscellaneous Updated 04/11/2018	VIEW
Rule 4902 - Residential Water Heaters Miscellaneous Updated 10/01/2017	VIEW
Title V Reporting Requirements Miscellaneous Updated 09/01/2015	VIEW
Portable Analyzer Requirements Miscellaneous Updated 07/01/2015	VIEW
Chromium Plating and Chromic Acid Anodizing Facilities Miscellaneous Updated 09/01/2009	VIEW
Rule 4902 – Residential Water Heaters Miscellaneous Updated 12/01/2009	VIEW
Rule 4309 – Dryers, Dehydrators, and Ovens Miscellaneous Updated 10/01/2008	VIEW
Rule 7070 - Changes to the rule - Perchloroethylene From Dry Cleaning Operations Miscellaneous Updated 09/01/2008	VIEW
Camiones Diesel de Transporte Commercial Parados con el Motor en Marcha Miscellaneous Updated 08/01/2008	VIEW
Commercial Diesel Truck Idling Miscellaneous Updated 08/01/2008	VIEW
Rule 4309 – Dryers, Dehydrators, and Ovens Miscellaneous Updated 10/01/2008	VIEW
Rule 4651 - Soil Decontamination Operations Miscellaneous Updated 12/01/2007	VIEW
Important Information for Chromium Plating and Chromic Acid Anodizing Facilities Miscellaneous Updated 11/01/2007	VIEW
Rule 1100 - Equipment Breakdown Miscellaneous Updated 05/01/2007	VIEW
Rule 4565 – Biosolids, Animal Manure, and Poultry Litter Operations Miscellaneous Updated 04/01/2007	VIEW
Continuous Emission Monitor (CEM) Reporting Requirements Miscellaneous Updated 02/01/2007	VIEW
Rule 4309 - Dryers, Dehydrators, and Ovens Miscellaneous Updated 12/01/2006	VIEW
Rule 4694 - Wine Storage Tanks Miscellaneous Updated 04/01/2006	VIEW
Rule 4692: Chain-driven Charbroiling Equipment Miscellaneous Updated 08/01/2002	VIEW

Compliance Assistance Bulletins

Agricultural Burning

Agricultural Operations

Agricultural Sources (Non-Burn)

Asbestos

Boilers

Engines & Generators

eTrip

Flares

Gasoline Dispensing & Vapor Recovery

Governor Proclamations

Oil & Gas

Reg VIII & ISR

Solvents, Coatings, Adhesives & Sealants

Source Testing

Miscellaneous