Oregon Hazardous Waste Storage regulations & environmental compliance analysis

Oregon Hazardous Waste Storage: What you need to know

Governing Law and Regulations

Storage facilities: Oregon Administrative Rules (OAR) 340-100-0002(1)

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On-site storage rules for generators: OAR 340-100-0002(1) and OAR 340-102-0034

Secondary containment for large quantity generators (LQGs): OAR 340-102-0034(1)

Regulatory Agency

Oregon Department of Environmental Quality (DEQ) Land Quality Division Hazardous Waste Program

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Oregon has incorporated by reference the federal hazardous waste storage rules for permitted and interim-status storage facilities and on-site storage by generators. Additional requirements for permitted storage facilities, including those concerning fees and the permit application process are reviewed in the state section TSDF PERMITS. In addition, Oregon has added a secondary containment requirement for large quantity generators (LQGs) accumulating numerous containers of hazardous waste on-site.

Administration and enforcement. DEQ's Land Quality Division administers and enforces the hazardous waste storage rules in Oregon for storage facilities and generators.

State Regulations


Secondary Containment

OAR 340-102-0034(1)

In addition to following the federal storage rules for generators, LQGs in Oregon that accumulate hazardous waste on-site without a permit must follow one additional state requirement. If storing hazardous waste in more than 100 containers, the LQG must place the containers in a storage area with a secondary containment system meeting the federal standards for permitted treatment, storage, and disposal facilities set forth at 40 CFR ...

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