Arnie Gundersen: Reported Plutonium Around Fukushima Is Raw, Un-Oxidized Pieces Of Fuel Rods From Reactor No. 3 SFP

See also:

Plutonium-238 Detected At 10 Locations In Fukushima (Jiji Press, Aug 21, 2012)


Gundersen: I think plutonium being reported around Fukushima is raw, unoxidized pieces of nuclear rods that were blown out from Unit 3′s spent fuel pool (ENENews, Aug 22, 2012):

Regarding the recent test results that detected plutonium at 10 locations in Fukushima, Fairewinds’ Arnie Gundersen writes to ENENews:

Pu came from the damaged fuel rods, obviously. The question is whether it was the damaged rods inside U1/2/3 reactors or whether it was the U3 spent fuel pool. Given U1/2/3 had a containment around the cores (even if damaged), this data leads me to continue to believe that the U3 SFP detonation is the most likely location for the release.

When asked if the plutonium could have been transported by smoke from the burning fuel rods inside the reactors, Gundersen replies:

Burning is oxidation, so U or Pu combines with oxygen to create U oxide… just like Carbon combines with oxygen to make CO2…. small micron size particles….. I think the Pu at Fuku is raw, unoxidized, blown out, not burned

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