Gasoline Dispensing Requirements

Compliance Reminder: South Coast AQMD Rule 461 requires owners or operators of gasoline dispensing facilities to submit their facility's monthly gasoline throughput data for the previous calendar year by March 1 of the following year.

The Annual Throughput Report can be submitted via FAX to 909-396-3761, by email to or by mail to:

South Coast AQMD
Attn: Rule 461
21865 Copley Drive
Diamond Bar, CA 91765

Please use the following Excel template if you have throughput data for multiple facilities to submit: Throughput Template for Multiple Facilities

For mobile fueling operations, please view the Mobile Fueler Gasoline Dispensing website.

NEW Updated Remote Dispensing AST Advisory #04-18 (PDF) to Owners/Operators of Aboveground Storage Tanks with Remote Dispensing Configurations. 

NEW CARB Informational Bulletin (PDF) to contractors conducting V/L testing in Exhibit 5 for Assist Phase II EVR systems.  This informational bulletin serves as a reminder that the only replacement for existing Healy nozzles are EOR nozzles and that the correct adaptors and surrogate spouts must be utilized to determine V/L.

NEW Overfill Prevention Device Testing Advisory #03-18 (PDF) to Owners/Operators of Underground Storage Tanks conducting State Water Resources Control Board testing of the Overfill Prevention Device.

NEW ORVR Fleet Facility Low Perm Hose Advisory #332 (PDF)- The California Air Resources Board (CARB) has issued an advisory on Low Permeation Hose Compliance Dates for ORVR Fleet Facilities.

NEW Vaulted Tank Advisory #01-18 (PDF) to Owners/Operators of Below-Grade Vaulted Tank Configurations regarding September 24, 2018 deadline to install Phase I and Phase II EVR systems.

NEW Low Perm Hose Advisory #02-18 (PDF) to Owners/Operators of Gasoline Dispensing Facilities required to install Low Permeation hoses by September 24, 2018.

NEW Compliance Reminder (PDF) to Operators of Gasoline Dispensing Facilities to submit Monthly Throughput data for Calendar Year 2018 by March 1, 2019. 

NEW The California Air Resources Board (CARB) has released an Informational Bulletin titled New Recommendations to Minimize Winter Time In-Station Diagnostic (ISD) System Overpressure Alarms for Assist Phase II Systems.  For more information, please click here: CARB Informational Bulletin (PDF).
NEW The California Air Resources Board (CARB) has created a webpage dedicated to Vapor Recovery In-Station Diagnostic System Overpressure Alarms.  Please visit their website for more information.


Vapor Recovery Systems and Enhanced Vapor Recovery

For more information on Vapor Recovery Systems and components for EVR, please click here.

Compliance Assistance and Training Classes

  • The primary rule associated with Gasoline Dispensing Facilities is Rule 461.  A copy of the rule is located here.  For any questions associated with the rule or gasoline dispensing operations, please call Rule 461 Assistance at (909) 396-3546 or email:

  • The South Coast Air Quality Management District offers three classes to GDF owners and operators, as well as testing companies and contractors.  For more information regarding the class descriptions, the class schedule, attendance fees and how to register, please click here.


Vapor Recovery System Testing and Pre-Backfill Inspection Scheduling

- South Coast AQMD Rule 461 requires testing of vapor recovery systems for new and in-use gasoline dispensing facilities from certified vapor recovery testing companies/ contractors.  For more information on testing types, frequency, testing hours and a list of currently approved vapor recovery testers, please click here.

- Pre-Backfill inspections are conducted during the construction phase of new or modified gasoline dispensing facilities.  For more information regarding the inspection requirements, please click here.

GDFs Documents and Forms

Please visit the Documents and Forms for Gasoline Dispensing Facilities webpage for documents related to the inspection process.  These documents should be available at the facility upon request.

Retail Gas Station Inspection Process (Video)

For any questions related to the inspection process, please call the Rule 461 Assistance Hotline at (909) 396-3546.



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South Coast Air Quality Management District

21865 Copley Dr, Diamond Bar, CA 91765



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