[Code of Federal Regulations] [Title 40, Volume 26] [Revised as of July 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 40CFR280.61] [Page 483] TITLE 40--PROTECTION OF ENVIRONMENT AGENCY (CONTINUED) PART 280_TECHNICAL STANDARDS AND CORRECTIVE ACTION REQUIREMENTS FOR OWNERS AND OPERATORS OF UNDERGROUND STORAGE TANKS (UST)--Table of Contents Subpart F_Release Response and Corrective Action for UST Systems Containing Petroleum or Hazardous Substances Sec. 280.61 Initial response. Upon confirmation of a release in accordance with Sec. 280.52 or after a release from the UST system is identified in any other manner, owners and operators must perform the following initial response actions within 24 hours of a release or within another reasonable period of time determined by the implementing agency: (a) Report the release to the implementing agency (e.g., by telephone or electronic mail); (b) Take immediate action to prevent any further release of the regulated substance into the environment; and (c) Identify and mitigate fire, explosion, and vapor hazards.