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Tanks Cleanup Guidance

We are modernizing how we process and share information at DEQ as we move to Your DEQ Online system. Documents on this page may be outdated while we launch this new database. Learn more

Oregon DEQ documents and references

LUST analytical fact sheets

Fact Sheet: Analytical Methods: BTEX+N, Northwest TPH

Fact Sheet: Calculating the One-Sided 90% Upper Confidence Limit of the Mean

EPA documents and references