Based on the final 2015 UST regulation, EPA developed these plain language documents to help states, territories, tribes, and the regulated community meet the 2015 requirements. 

• Implementation Time Frames for 2015 Underground Storage Tank Requirements  (EPA-510-F-15-001). September 2015.
• Musts for USTs (EPA-510-K-15-001). November 2015.
• Operating and Maintaining Underground Storage Tank Systems (EPA 510-K-16-001). February 2016.
• Release Detection for Underground Storage Tanks and Piping:  Straight Talk on Tanks  (EPA 510-K-16-003).  May 2016.
• Requirements for Field-Constructed Tanks and Airport Hydrant Systems (EPA 510-K-16-002). April 2016.
• UST System Compatibility with Biofuels (EPA-510-K-15-002). November 2015.
• UST System Compatibility with Petroleum-Biofuel Blends:  A Brief Guide to the 2015 Federal UST Regulations for Owners and Operators of USTs Located on Tribal Lands (EPA-510-F-15-002).  September 2015.

See EPA UST publications web page for more documents about underground storage tanks.