NRC Transcripts – On-site radiation levels imply nuclear fuel in the environment

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UNITED STATES OF AMERICA NUCLEAR REGULATORY COMMISSION
JAPAN’S FUKUSHIMA DAIICHI ET AUDIO FILE
WEDNESDAY – MARCH 16, 2011

 


JOHN MONAGER: One thing that was interesting, they talk about the rad fields in the vicinity and being able to do work. You know, some of these measurements are very high, and they have bulldozers going through and cleaning up pathways, et cetera.

They talked about the dose rates once the bulldozers go through decreasing significantly, by maybe 70 percent or so. And given the rad field, you have to think, what is causing that?

You know, of course, if you rip apart your reactor building, you’ve got residual contamination, et cetera. But it really would lead me to believe that what you have out there is fuel in the environment.

And there you had the spent-fuel pool that boiled down. You had a zirc/water reaction. You built up this steam. You know, a certain percentage of the upper part of the spent-fuel pool is bare.

They had this explosion, and who knows what got blown out in the yard?

BILL BORCHARDT: Okay.

MALE PARTICIPANT: They reported the rad field was 20 to 30 rems.

MALE PARTICIPANT: Yes.


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