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


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 and 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