The Washington State Pollution Liability Insurance Agency (PLIA) has completed the transition of the Heating Oil Insurance Program into the Heating Oil Loan and Grant (HOLG) Program. You can learn more about this transition on our Heating Oil Insurance Program Transition page.

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  • Home
  • How Do I…?
    • Demonstrate Financial Responsibility
    • Get Financial Help for Cleanup
    • Get Liability Insurance
    • Get Technical Assistance
    • Give Public Comment on Rulemaking
    • Get a Document Translated
    • Log in to the Online Community
  • About
    • About PLIA
    • News & Outreach
    • Public Records Requests
    • Rulemaking
    • Public Engagement
    • Program Policies
    • PLIA Program Data
    • Diversity, Equity, Inclusion, and Respect
    • Work at PLIA
    • PLIA Procurement Announcements
  • Programs
    • Commercial UST Reinsurance Program
    • Financial Assurance Program
    • Financial Responsibility
    • Heating Oil Loan and Grant Program
    • Technical Assistance Program
    • UST Loan and Grant Program
    • Heating Oil Pollution Liability Insurance Program
  • Commercial UST
    • Financial Assurance Program
    • Financial Responsibility
    • UST Loan and Grant Program
    • Technical Assistance Program
    • Commercial UST Reinsurance Program
  • Heating Oil
    • Heating Oil Loan and Grant Program
    • Technical Assistance Program
    • Heating Oil Tank Leaks
    • Heating Oil Tank Decommissioning
    • Heating Oil Pollution Liability Insurance Program
  • Forms & Documents
    • Agency Information
    • All Forms & Documents
    • Commercial UST Forms & Documents
    • Heating Oil Forms & Documents
    • Translated Documents
  • Contact
    • Contact PLIA
    • Our Staff
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UST Laws & Regulations

  • 40 CFR Part 280, Technical Standards and Corrective Action Requirements for Owners and Operators of Underground Storage Tanks (UST)
  • 40 CFR Part 281, Approval of State Underground Storage Tank Programs
  • Chapter 70A.533 RCW, Underground Storage Tanks
  • Chapter 70A.330 RCW, Petroleum Storage Tank Systems – Pollution Liability Protection Act
  • Chapter 173.360A WAC, Underground Storage Tank Regulations
  • Chapter 374-80 WAC, Advice and Technical Assistance Program
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