This page is your source for information on the 2015 updates to 40 CFR §280 and 40 CFR §281.

Important Dates

July 15, 2015

Final versions of 40 CFR §280 and 40 CFR §281 published in the Federal Register

October 13, 2015

Effective date of revised regulations

  • Flow restrictors/ball float valves
  • Internally-lined tanks
  • Inspection following repair
  • Notification
  • Ethanol/biodiesel compatibility

April 11, 2016

  • Secondary containment
  • Interstitial monitoring
  • UDC for new systems

October 13, 2018

  • Operator training
  • Walk-through inspections
  • State program approval
  • Vapor & groundwater monitoring
  • Previously deferred systems
  • Testing

More information coming soon!