Happenings
- POTW exhibit at WSU through April 5, 2013
- POTW exhibit in Portland May 3 - June 14, 2013
WANMEC is made possible by Washington Physicians for Social Responsibility
With support and additional funding from INND and Toxipedia.org.
Support this project by donating to WPSR today.
Hanford's Air Releases
Most of Hanford's air releases were from the chemical process used to separate plutonium and uranium from fuel rods. Some of the air releases came from the nuclear reactors. The major radioactive releases occurred between 1944 and 1957. The largest releases were between December 1944 through 1947, when there were no filters on the stacks of the separations plants. Radioactive materials in the form of gases, vapors, and particles were released. Left picture: B-reactor.
Current Estimates of Radiation Released into the Air by Hanford, 1944-1972
Iodine-131: 739,000 curies
Ruthenium-103: 1,160 curies
Ruthenium-106: 388 curies
Strontium-90: 64.3 curies
Plutonium-239: 1.78 curies
Cerium-144: 3,770 curies
More: http://www.toxipedia.org/display/wanmec/Hanford+radiation+releases
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