Air Quality Advisory

Air Quality Advisory through Tuesday, November 20, due to heavy wildfire smoke impacts in parts of the Bay Area from the Camp Fire in Butte County. See our Wildfire Safety Tips web page.

Manual of Procedures

View the full manual of technical procedures covering all aspects of the Air District’s enforcement, regulatory, monitoring, evaluation, and documentation activities.

Volume I - Enforcement Procedures

PartContentstable-mobile-only-column
Part 1 Evaluation of Visible Emissions
Part 1
Contents:
Evaluation of Visible Emissions
Part 2 Inspection Criteria For Phase II Gasoline Vapor Balance Systems
Part 2
Contents:
Part 3 Labeling Requirements For Asbestos Waste Containers
Part 3
Contents:
Part 4 Warning Sign Requirements For Asbestos Waste Disposal Sites
Part 4
Contents:
Part 5 Boiler, Steam Generator, and Process Heater Tuning Procedure
Part 5
Contents:
Part 6 Emissions Averaging Procedure for Wood Product Coatings
Part 6
Contents:
Part 7 Emissions Averaging Procedure For Architectural Coatings
Part 7
Contents:

Volume II - Engineering Permitting Procedures

PartContentstable-mobile-only-column
Indexindex
Index
Contents:
index
Part 1 Introduction
Part 1
Contents:
Introduction
Part 2Permits - General
Part 2
Contents:
Permits - General
Part 3Major Facility Review Permit Requirements
Part 3
Contents:
Major Facility Review Permit Requirements
Part 4New and Modified Sources of Toxic Air Contaminants
Part 4
Contents:
New and Modified Sources of Toxic Air Contaminants

Volume III - Laboratory Policy and Procedures

ProcedureLaboratory Policy and Procedurestable-mobile-only-column
Method 1A Method 1A - Determination of Ammonia in Effluents Collected in Acid Media using the Specific Ion Electrode
Method 1A
Laboratory Policy and Procedures:
Method 2Method 2 - Determination of Beryllium in Effluent & Atmospheric Particulate Matter
Method 2
Laboratory Policy and Procedures:
Method 10A Method 10A - Determination of Sulfur in Petroleum and Petroleum Products
Method 10A
Laboratory Policy and Procedures:
Method 13 Method 13 - Determination of the Reid Vapor Pressure of Petroleum Products
Method 13
Laboratory Policy and Procedures:
Method 21 Method 21 - Determination of Compliance of Volatile Organic Compounds for Water Reducible Coatings
Method 21
Laboratory Policy and Procedures:
Method 22 Method 22 - Determination of Compliance of Volatile Organic Compounds for Solvent Based Coatings, Inks, and Other Related Products
Method 23 Method 23 - Determination of Volatile Emissions from Polyester Resins
Method 23
Laboratory Policy and Procedures:
Method 24 Method 24 - Determination of Total Fluoride in Effluents
Method 24
Laboratory Policy and Procedures:
Method 26 Method 26 - Determination of Volatile Weight Loss of Gel Coats
Method 26
Laboratory Policy and Procedures:
Method 27 Method 27 - Determination of Vinyl Chloride in Effluent
Method 27
Laboratory Policy and Procedures:
Method 28 Method 28 - Determination of Vapor Pressure of Organic Liquids from Storage Tanks
Method 28
Laboratory Policy and Procedures:
Method 29 Method 29 - Determination of Ethanol in Bakery Effluents
Method 29
Laboratory Policy and Procedures:
Method 31 Method 31 - Determination of Volatile Organic Compounds in Paint Strippers, Solvent Cleaners and Low Solids Coatings
Method 31
Method 33Method 33 - Determination of Dissolved Critical Volatile Organic Compounds in Wastewater Separators
Method 33
Laboratory Policy and Procedures:
Method 34Method 34 - Determination of Hexavalent and Total Chromium in Effluent Samples from Electrolytic Chrome Plating operations
Method 34
Method 39 Method 39 - Determination of Styrene Monomer Contents of Polyester Resin Material
Method 39
Laboratory Policy and Procedures:
Method 41Method 41 - Determination of Volatile Organic Compounds in Solvent Based Coatings and Related Materials Containing Parachlorobenzotrifluoride
Method 43 Method 43 - Determination of Volatile Methylsiloxanes in Solvent Based Coatings, Inks and Related Materials
Method 43
Laboratory Policy and Procedures:
Method 44AMethod 44A - Determination of Reduced Sulfur Gases and Sulfur Dioxide in Effluent Samples by Gas Chromatographic Method
Method 44A
Method 45 Methos 45 - Determination of Butanes and Pentanes in Polymeric Materials
Method 45
Laboratory Policy and Procedures:
Method 46 Method 46 - Determination of the Composite Partial Pressure of Volatile Organic Compounds in Cleaning Products
Method 46
Method 4B Method 4B - Determination of Total Lead in Effluents
Method 4B
Laboratory Policy and Procedures:
Method 4B - Determination of Total Lead in Effluents

Volume IV - Source Test Policy and Procedures

ProcedureRegSource Test Procedurestable-mobile-only-column
IntroductionN/AIntroduction
Introduction
Reg:
N/A
Source Test Procedures:
Introduction
ST-1B Odorous Substances
ST-1B Ammonia, Integrated Sampling (Reg. 7)
ST-1B
Reg:
Odorous Substances
Source Test Procedures:
ST-1B Ammonia, Integrated Sampling (Reg. 7)
ST-2 Reg 11: Hazardous Pollutants
Beryllium
ST-2 Beryllium Sampling (Reg. 11)
ST-2
Reg:
Reg 11: Hazardous Pollutants
Beryllium
Source Test Procedures:
ST-2 Beryllium Sampling (Reg. 11)
ST-3
Terminals and Bulk Plants

Gasoline Bulk Plants and Gasoline Cargo Tanks
ST-3 Bulk Gasoline Transfer Plants (500-20,000 GPD) (Reg. 8)
ST-3
Reg:

Terminals and Bulk Plants

Gasoline Bulk Plants and Gasoline Cargo Tanks
Source Test Procedures:
ST-5 Reg 6: Particulate Matter
Regulation 6, Rule 1: General Requirements (Amendments Adopted August 1, 2018)
ST-5 Carbon Dioxide, Continuous Sampling (Reg. 6)
ST-5
Reg:
Reg 6: Particulate Matter
Regulation 6, Rule 1: General Requirements (Amendments Adopted August 1, 2018)
Source Test Procedures:
ST-5 Carbon Dioxide, Continuous Sampling (Reg. 6)
ST-6
General Provisions

Standards of Performance for New Stationary Sources
ST-6 Carbon Monoxide, Continuous Sampling (Regs. 8 & 10)
ST-6
Reg:

General Provisions

Standards of Performance for New Stationary Sources
Source Test Procedures:
ST-7
General Provisions
ST-7 Non-Methane Organic Carbon Sampling (Reg. 8)
ST-7
Reg:

General Provisions
Source Test Procedures:
ST-7 Non-Methane Organic Carbon Sampling (Reg. 8)
ST-8 Odorous Substances
ST-8 Dimethylsulfide Sampling (Reg. 7)
ST-8
Reg:
Odorous Substances
Source Test Procedures:
ST-8 Dimethylsulfide Sampling (Reg. 7)
ST-9 Reg 11: Hazardous Pollutants
Lead

Standards of Performance for New Stationary Sources
ST-9 Lead Sampling (Regs. 10 & 11)
ST-9
Reg:
Reg 11: Hazardous Pollutants
Lead

Standards of Performance for New Stationary Sources
Source Test Procedures:
ST-9 Lead Sampling (Regs. 10 & 11)
ST-10Reg 11: Hazardous Pollutants
Mercury
ST-10 Mercury Sampling (Reg. 11)
ST-10
Reg:
Reg 11: Hazardous Pollutants
Mercury
Source Test Procedures:
ST-10 Mercury Sampling (Reg. 11)
ST-11Odorous Substances
ST-11 Mercaptans, Integrated Sampling (Reg. 7)
ST-11
Reg:
Odorous Substances
Source Test Procedures:
ST-11 Mercaptans, Integrated Sampling (Reg. 7)
ST-12 Odorous Substances
ST-12 Collection of Odorous Samples (Reg. 7)
ST-12
Reg:
Odorous Substances
Source Test Procedures:
ST-12 Collection of Odorous Samples (Reg. 7)
ST-13A Reg 9: Inorganic Gaseous Pollutants
Nitrogen Oxides from Heat Transfer Operations

Standards of Performance for New Stationary Sources
ST-13A Oxides of Nitrogen, Continuous Sampling (Regs. 9 & 10)
ST-13A
Reg:
Reg 9: Inorganic Gaseous Pollutants
Nitrogen Oxides from Heat Transfer Operations

Standards of Performance for New Stationary Sources
Source Test Procedures:
ST-14 Reg 9: Inorganic Gaseous Pollutants
Nitrogen Oxides from Heat Transfer Operations
ST-14 Oxygen, Continuous Sampling (Regs. 9)
ST-14
Reg:
Reg 9: Inorganic Gaseous Pollutants
Nitrogen Oxides from Heat Transfer Operations
Source Test Procedures:
ST-14 Oxygen, Continuous Sampling (Regs. 9)
ST-15 Reg 6: Particulate Matter
Regulation 6, Rule 1: General Requirements (Amendments Adopted August 1, 2018)

Standards of Performance for New Stationary Sources
ST-15 Particulate Sampling (Regs. 6 & 10)
ST-15
Reg:
Reg 6: Particulate Matter
Regulation 6, Rule 1: General Requirements (Amendments Adopted August 1, 2018)

Standards of Performance for New Stationary Sources
Source Test Procedures:
ST-15 Particulate Sampling (Regs. 6 & 10)
ST-16 Odorous Substances
ST-16 Phenolic Compounds Sampling (Reg. 7)
ST-16
Reg:
Odorous Substances
Source Test Procedures:
ST-16 Phenolic Compounds Sampling (Reg. 7)
ST-17 N/AST-17 Stack Gas Velocity and Volumetric Flowrate
ST-17
Reg:
N/A
Source Test Procedures:
ST-17 Stack Gas Velocity and Volumetric Flowrate
ST-18N/AST-18 Stack Traverse Point Determination
ST-18
Reg:
N/A
Source Test Procedures:
ST-18 Stack Traverse Point Determination
ST-19A Reg 9: Inorganic Gaseous Pollutants
Standards of Performance for New Stationary Sources

Sulfur Dioxide
ST-19A Sulfur Dioxide, Continuous Sampling (Regs. 9 & 10)
ST-19A
Reg:
Reg 9: Inorganic Gaseous Pollutants
Standards of Performance for New Stationary Sources

Sulfur Dioxide
Source Test Procedures:
ST-19BReg 9: Inorganic Gaseous Pollutants
Standards of Performance for New Stationary Sources

Sulfur Dioxide
ST-19B Sulfur Oxides, Integrated Sampling (Regs. 9 & 10) (Deleted)
ST-19B
Reg:
Reg 9: Inorganic Gaseous Pollutants
Standards of Performance for New Stationary Sources

Sulfur Dioxide
Source Test Procedures:
ST-20 Reg 6: Particulate Matter
Standards of Performance for New Stationary Sources

Sulfur Dioxide

Acid Mist from Sulfuric Acid Plants

Reg 9: Inorganic Gaseous Pollutants
Reg 12: Miscellaneous Standards of Performance
ST-20 Sulfur Dioxide, Sulfur Trioxide and Sulfuric Acid Mist (Regs. 6, 9, 10 & 12)
ST-20
Reg:
Reg 6: Particulate Matter
Standards of Performance for New Stationary Sources

Sulfur Dioxide

Acid Mist from Sulfuric Acid Plants

Reg 9: Inorganic Gaseous Pollutants
Reg 12: Miscellaneous Standards of Performance
Source Test Procedures:
ST-21 Reg 12: Miscellaneous Standards of Performance
Kraft Pulp Mills
ST-21 Total Reduced Sulfur Sampling (Reg. 12)
ST-21
Reg:
Reg 12: Miscellaneous Standards of Performance
Kraft Pulp Mills
Source Test Procedures:
ST-21 Total Reduced Sulfur Sampling (Reg. 12)
ST-22Odorous Substances
ST-22 Trimethylamine Sampling (Reg. 7)
ST-22
Reg:
Odorous Substances
Source Test Procedures:
ST-22 Trimethylamine Sampling (Reg. 7)
ST-23 N/AST-23 Water Vapor Sampling
ST-23
Reg:
N/A
Source Test Procedures:
ST-23 Water Vapor Sampling
ST-24 Reg 9: Inorganic Gaseous Pollutants
Standards of Performance for New Stationary Sources

Reg 6: Particulate Matter
ST-24 Evacuated Cylinder Sampling for Orsat Analysis (CO, CO 2 , O 2 ) (Regs. 6, 8, 9 & 10)
ST-24
Reg:
Reg 9: Inorganic Gaseous Pollutants
Standards of Performance for New Stationary Sources

Reg 6: Particulate Matter
Source Test Procedures:
ST-25Standards of Performance for New Stationary Sources
ST-25 Fluoride, Integrated Sampling (Reg. 10)
ST-25
Reg:
Standards of Performance for New Stationary Sources
Source Test Procedures:
ST-25 Fluoride, Integrated Sampling (Reg. 10)
ST-26 Standards of Performance for New Stationary Sources
ST-26 Coke Burn-Off Rate (Reg. 10) (Deleted)
ST-26
Reg:
Standards of Performance for New Stationary Sources
Source Test Procedures:
ST-26 Coke Burn-Off Rate (Reg. 10) (Deleted)
ST-27
Gasoline Dispensing Facilities
ST-27 GDF Dynamic Back Pressure Test (Reg. 8) (Revised: September 9, 2002)
ST-27
Reg:

Gasoline Dispensing Facilities
Source Test Procedures:
ST-28 Standards of Performance for New Stationary Sources
ST-28 Hydrogen Sulfide, Integrated Sampling (Reg. 10)
ST-28
Reg:
Standards of Performance for New Stationary Sources
Source Test Procedures:
ST-28 Hydrogen Sulfide, Integrated Sampling (Reg. 10)
ST-29Reg 11: Hazardous Pollutants
Vinyl Chloride
ST-29 Vinyl Chloride (Reg. 11)
ST-29
Reg:
Reg 11: Hazardous Pollutants
Vinyl Chloride
Source Test Procedures:
ST-29 Vinyl Chloride (Reg. 11)
ST-30
Gasoline Dispensing Facilities
ST-30 Static Pressure Integrity Test, Underground Storage Tanks (Reg. 8) (Revised: September 9, 2002)
ST-30
Reg:

Gasoline Dispensing Facilities
ST-31
Reg 8, Rule 27: Deleted: March 4, 2009
ST-31 Perchloroethylene (Reg. 8)
ST-31
Reg:

Reg 8, Rule 27: Deleted: March 4, 2009
Source Test Procedures:
ST-31 Perchloroethylene (Reg. 8)
ST-32
Large Commercial Bread Bakeries
ST-32 Ethanol, Integrated Sampling (Reg. 8)
ST-32
Reg:

Large Commercial Bread Bakeries
Source Test Procedures:
ST-32 Ethanol, Integrated Sampling (Reg. 8)
ST-33
Gasoline Bulk Terminals and Gasoline Cargo Tanks

Gasoline Bulk Plants and Gasoline Cargo Tanks
ST-33 Gasoline Cargo Tanks (Reg. 8)
ST-33
Reg:

Gasoline Bulk Terminals and Gasoline Cargo Tanks

Gasoline Bulk Plants and Gasoline Cargo Tanks
Source Test Procedures:
ST-33 Gasoline Cargo Tanks (Reg. 8)
ST-34
Standards of Performance for New Stationary Sources

Terminals and Bulk Plants

Gasoline Bulk Terminals and Gasoline Cargo Tanks

Gasoline Bulk Plants and Gasoline Cargo Tanks

Marine Tank Vessel Operations
ST-34 8,10 Bulk and Marine Loading Terminals Vapor Recovery Units (Regs. 8 & 10) Last amended 12/7/05
ST-34
Reg:

Standards of Performance for New Stationary Sources

Terminals and Bulk Plants

Gasoline Bulk Terminals and Gasoline Cargo Tanks

Gasoline Bulk Plants and Gasoline Cargo Tanks

Marine Tank Vessel Operations
ST-35 Reg 11: Hazardous Pollutants
Hexavalent Chromium
ST-35 Total And Hexavalent Chromium (Reg. 11)
ST-35
Reg:
Reg 11: Hazardous Pollutants
Hexavalent Chromium
Source Test Procedures:
ST-35 Total And Hexavalent Chromium (Reg. 11)
ST-36
Gasoline Dispensing Facilities
ST-36 Gasoline Dispensing Facility Phase I Volumetric Efficiency (Reg. 8)
ST-36
Reg:

Gasoline Dispensing Facilities
Source Test Procedures:
ST-37
Gasoline Dispensing Facilities
ST-37 Gasoline Dispensing Facility Liquid Removal Devices (Reg. 8)
ST-37
Reg:

Gasoline Dispensing Facilities
Source Test Procedures:
ST-38
Gasoline Dispensing Facilities
ST-38 Gasoline Dispensing Facility Static Pressure Integrity - Aboveground Vaulted Tanks (Reg. 8)
ST-38
Reg:

Gasoline Dispensing Facilities
ST-39 Gasoline Dispensing Facilities
ST-39 GDF Air To Liquid Volumetric Ratio Test (Reg. 8) (Revised: September 9, 2002)
ST-39
Reg:
Gasoline Dispensing Facilities
Source Test Procedures:
ST-40Reg 11: Hazardous Pollutants
Hexavalent Chromium Emissions from All Cooling Towers and Total Hydrocarbon Emissions from Petroleum Refinery Cooling Towers
ST-40 Strippable Volatile Organic Compounds
ST-40
Source Test Procedures:
ST-40 Strippable Volatile Organic Compounds

Volume V - Continuous Emission Monitoring Policy and Procedures

PartContentstable-mobile-only-column
Volume 5Continuous Emission Monitoring Policy and Procedures
Volume 5
Contents:
Continuous Emission Monitoring Policy and Procedures

Volume VI - Air Monitoring Procedures

PartContentstable-mobile-only-column
AppendixAppendix - Meteorological Monitoring Guidance for Manual of Procedures
Appendix
Contents:
Volume 6Air Monitoring Procedures
Volume 6
Contents:
Air Monitoring Procedures

Volume VII - Guidelines for Environmental Processes

PartContentstable-mobile-only-column
GuidelinesVolume 7 - Guidelines for Environmental Processes
Guidelines
Contents:
Volume 7 - Guidelines for Environmental Processes

Volume VIII - Procedures for Calculating and Generating Mobile Source Emission Reduction Credits

Communications
General Information

415.749.4900

Wood Burning Status
Wood Burning Status
  • illegal to burn

    Saturday,
    11/17

    Winter Spare the Air Alert in Effect

  • illegal to burn

    Sunday,
    11/18

    Winter Spare the Air Alert in Effect

Last Updated: 8/20/2014