In the case of the Goya, the sample blew in with the outside air and appears to have just lodged somewhere into a carpet or floor material – something in the house that had been vacuum cleaned, and then collected in the vacuum cleaner bag. The good news is repeated sampling at the same location getting additional material from there, we’ve never found another particle like that. So it’s not like there’s anything about this particular house or that there’s according to our data more than one of these particles in the home. It doesn’t appear that there is. But it does tell me that it’s worth looking at for a particular area, what’s the probability of there being a hot particle present. This has such a big impact on people’s exposure, the potential health damages. So far, from our Japanese samples from Fukushima Prefecture and from Tokyo, about 25 percent of those samples contained at least a few measurable hot particles. Only one that was this hot. And this was the worst case. It doesn’t represent any kind of average, but it does tell you what’s possible. The bottom line is, now that I’ve had time to digest the entire set of samples and put the number of hot particles per sample in perspective, take this data and put it before a peer review panel at Worcester Polytechnic Institute, and prepare all this data for publication, it’s good to see that it’s going to be possible to find a real exposure number, where we can take the average exposures that we’re used to dealing with and also add in a probability for being exposed to a hot particle, so that we can find out what the true level of potential health damage is from an accident. fairewinds.org/hottest-particle/
Posted on: Mon, 07 Apr 2014 00:52:26 +0000
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