This page contains technical information about underground storage tanks to help facilities comply with state and federal requirements.
UST Technical Compendium An indexed collection of questions and answers about the updated rules that went into effect on Oct. 1, 2020.
Preparing UST Systems for Wildfire Emergencies
Requirements for Structural Retrofits
Biodiesel and Underground Storage Tanks Systems
Fuel Ethanol and Underground Storage Tank Systems
Testing Secondary Containment and Piping during UST Installations
Overfill Protection – Loose Fill Metered Deliveries into USTs
Distributors' Responsibilities for Depositing Fuel into USTs
Documenting Compliance with Financial Responsibility
Temporary Closure Requirements for UST Systems
Replacement of Underground Piping at UST Facilities
A Guide to UST Notifications, Reporting, and Record Keeping
Preparing for an UST Compliance Inspection
Diana Foss, Senior Tanks Policy Analyst