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Underground Storage Tanks (USTs)
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Technical Guide for Addressing Petroleum Vapor Intrusion at Leaking Underground Storage Tank Sites

This document provides technical information to regulatory personnel from the U.S. Environmental Protection Agency (EPA) and state, tribal, and local agencies for investigating and assessing petroleum vapor intrusion (PVI) at sites where petroleum hydrocarbons (PHCs) have been released from underground storage tanks (USTs). This document is comprised of two parts: Recommendations, which provides a description of EPA’s recommended approach for addressing PVI, and Supporting Technical Information, which provides detailed technical information supporting the recommendations.

  • Technical Guide for Addressing Petroleum Vapor Intrusion at Leaking Underground Storage Tank Sites (pdf) (June 2015, EPA 510-R-15-001)
  • USTs Home
  • Learn About USTs
  • Meeting UST Requirements
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  • Frequent Questions
  • UST A - Z Subject Index
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Last updated on September 1, 2021