A. The operator and owner of an underground storage tank shall notify the department of each release or suspected release from the tank as soon as practicable but no later than twenty-four hours after the release or suspected release is detected.

Terms Used In Arizona Laws 49-1004

  • Action: includes any matter or proceeding in a court, civil or criminal. See Arizona Laws 1-215
  • Operator: means a person in control of, or having responsibility for, the day-to-day operation of an underground storage tank. See Arizona Laws 49-1001
  • Regulated substance: means :

    (a) Petroleum. See Arizona Laws 49-1001

  • Release: means a spill, leak, emission, discharge, escape, leach or disposal of a regulated substance from an underground storage tank into groundwater, surface water or soils. See Arizona Laws 49-1001
  • Suspected release: means any of the following:

    (a) The discovery by owners and operators or others of released regulated substances at the underground storage tank site or in the surrounding area. See Arizona Laws 49-1001

  • Tank: means a stationary device constructed of wood, concrete, steel, plastic or other nonearthen materials and used to contain regulated substances. See Arizona Laws 49-1001
  • Underground storage tank: means a tank or combination of tanks and underground pipes and impact valves connected to tanks being used or having been used to contain regulated substances and which has at least ten percent of the total volume of the tank and underground portions of pipes connected to the tank underground. See Arizona Laws 49-1001
  • Writing: includes printing. See Arizona Laws 1-215

B. The operator of an underground storage tank shall notify the owner of each release from the tank as soon as practicable but no later than twenty-four hours after the release is detected.

C. Notice by the operator and owner required by this section may be made orally or in writing but shall be followed within fourteen days by a written report to the department that a release or suspected release has been detected. The written report shall specify to the extent known at the time of the report the nature of the release or suspected release, the regulated substance released, the quantity of the release, the period of time over which the release occurred, the initial response and the corrective action taken as of the date of the report and anticipated to be taken subsequent to the date of the report. In addition, the written report shall include additional information required by rules that are consistent with federal regulations in effect on the date on which the rules are adopted.

D. The director shall prescribe by rule the reporting, investigation and confirmation actions to be taken in the event of a release or suspected release of a regulated substance from an underground storage tank. Any rules adopted pursuant to this section shall be consistent with and no more stringent than federal regulations in effect on the date on which the rules are adopted. Until rules adopted pursuant to this subsection are in effect, reporting, investigation and confirmation actions shall be accomplished in a manner consistent with 40 Code of Federal Regulations sections 280.50 through 280.53.