CFR > Title 40 - Protection of Environment > CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY > SUBCHAPTER I—SOLID WASTES (Parts 239–282) > PART 280—TECHNICAL STANDARDS AND CORRECTIVE ACTION REQUIREMENTS FOR OWNERS AND OPERATORS OF UNDERGROUND STORAGE TANKS (UST) > SUBPART F—Release Response and Corrective Action for UST Systems Containing Petroleum or Hazardous Substances (§280.60 to §280.67) > 280.61—Initial response.

280.61—Initial response.

Upon confirmation of a release in accordance with § 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.