Exhibit News

Particles on the Wall is excited to announce upcoming exhibits!


The REACH Museum

June 29 - October 21, 2016.

The REACH Museum
1943 Columbia Park Trail
Richland, WA 99352
Sun & Mon: Closed
Tue - Sat: 10:00AM-4:30PM


REACH POTW Flyer.jpg


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Particles on the Wall 2nd edition from Healthy World Press


Columbia River Contamination

The first eight nuclear reactors at Hanford used large amounts of water from the Columbia River to cool the reactor cores. The water went through the reactors once, then was returned  to the Columbia River even though it contained radioactive materials. Radioactive materials that built up inside the reactors were also regularly flushed loose and released into the river.

Current Estimates of Radiation Released into the Columbia River by Hanford, 1944-1971
Arsenic-76: 2,500,000 curies
Neptunium-239: 6,300,000 curies
Phosphorus-32: 230,000 curies
Sodium-24: 12,000,000 curies
Zinc-65: 490,000 curies

More: http://www.toxipedia.org/display/wanmec/Hanford+radiation+releases