Our
Address
Hanford Tank Waste Operations & Closure
P.O. Box 788 MSIN M0-01
Richland, WA 99352
Our
Mission
We are committed to delivering exceptional performance in safely removing, treating, and disposing of tank waste.
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This site represents our commitment to transparency on chemical vapors in Hanford’s tank farms.
While much of the information on this site remains relevant and accurate, some content is archival in nature and may be outdated. The ongoing settlement agreement items (2018 agreement; 2023 modified agreement) are updated, per the agreement. Those items are available here, including AOP-15 event investigation reports and C-67 event investigation reports.