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Underground Storage Tank (UST) Compliance Monitoring and Enforcement Process: How are Violations Identified?

RCRA UST Enforcement Quick Links

Complete UST Enforcement Compendium (PDF)
(36pp, 343K, About PDF)

Violations
Response
Enforcement
Underground Storage Tank (UST) violations are typically identified through inspections and self-disclosures.

     

Inspections and Compliance Reports

State and EPA Responsibilities

The UST program is largely administered by the states, and states conduct the bulk of UST inspections. EPA inspectors can also lead UST inspections. EPA inspectors are the primary inspectors in Indian Country.

States with State Program Approval

States without State Program Approval

EPA will enter into grant/cooperative agreements with state programs to coordinate UST enforcement actions. In nearly all cases the state is designated as the primary implementing agency. 

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Inspection Cycle

The Energy Policy Act required that the EPA, and States that receive funding under the Resource Conservation and Recovery Act (RCRA) Subtitle I, inspect, by August of 2007, all regulated USTs that had not been inspected since December 22, 1998. All covered tanks are now to be inspected once every three years.

Energy Policy Act Reporting Requirements

  • States were also required to report to EPA on the compliance status of federal, state, and local government-owned and government-operated USTs.

Enforcement Response in the Field - Field Citations

Field citations provide an immediate enforcement response during or at the close of an inspection. 

If an EPA inspection uncovers a violation, the region may issue a field citation at the close of the on-site inspection, shortly after the inspection, or after preparation of the inspection report. A field citation is designed to address clear and easily correctible violations, and is usually only appropriate for first-time violators. 

See the Field Citations section of this website for a more detailed discussion on the appropriate use of field citations.

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Self Disclosures

Audit Policy

The Audit Policy, (formally titled, Incentives for "Self-Policing: Discovery, Disclosure, Correction and Prevention of Violations") encourages voluntary and prompt self-disclosure of violations.  

The regulated community may use the Audit Policy to identify violations, or potential violations, and voluntarily correct and report them. Once a self-disclosure is made, and specific Audit Policy conditions are met, the EPA may consider a reduction or even a complete mitigation of the gravity component of the penalty.  Determinations are considered on a case-by-case basis.

Self-disclosure must be voluntary and not required by statute or regulation.  If violations are discovered during any regulatory inspection prior to self-disclosure, penalty reductions under the Audit Policy will not be possible.

EPA has also developed an environmental audit protocol (PDF) (162 pp, 11MB,About PDF) evaluating RCRA regulated tanks.

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How to Self-Disclose

Under the Audit Policy, once a violation has been discovered, the violator must disclose the violation in writing to EPA.

Self-Disclosures must identify the:

  • Type of violation
  • Means of discovery
  • Facility location

Once a disclosure is made the EPA will send a Follow-up Letter (PDF) (5 pp, 13K,About PDF). Responses to the attached questionnaire provide the information needed to evaluate the nine conditions that may lead to penalty mitigation.

Nine Conditions for Penalty Mitigation

The Audit Policy contains nine conditions that affect the extent of penalty mitigation. If all nine conditions are met, the gravity-based penalties can be eliminated.  The Agency, however, reserves the right to collect any economic benefit that may have been realized as a result of noncompliance.
 
Generally, the nine conditions seek to confirm how the party discovered the violations, whether the self-disclosure was voluntary, how the violations were corrected, and what actions/programs the party has taken to ensure against future violations.


Next Topic: How is an Appropriate Response Determined?

For more information, refer to:

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