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So, essentially, the science of astronomy is providing the background, meteorology that we need
<br />in order to make this a true guidance. And, it does presuppose one point, is that we need to have
<br />this dispersion model on stand-by, if you will, that it can be run at the press of a button if there's
<br />a release, and we need to know how much gas is released in order to get a good, you know,
<br />model output.
<br />I hope that answers your question.
<br />BILTOFT: Let me add also that I believe PGV does maintain some meteorological
<br />measurements on site and with the, with their cooperation, we should be able to plug into those
<br />data as well. And we are, we're also for the purpose of this study, we're going to acquire some
<br />sonic anemometers, which are designed for measuring wind and turbulence that would be I
<br />believe available then as well.
<br />So, yes, we're going to be watching very carefully, the meteorology at this site; in fact, creating
<br />hopefully a, a climatology, if you will, of the meteorology at this site so that we can really
<br />understand better of the dispersion process around PGV.
<br />CLARKSON: One more question. So, you—I've heard this mentioned several times, that
<br />source of volumes or mass needs to be known before this dispersion model can accurately
<br />predict concentrations distant from the source. I I'm skeptical that, that critical piece of
<br />information will ever be available rapidly enough to make a difference. Please assuage my
<br />skepticism.
<br />BUSINGER: Well, we have had conversations with staff at PGV, and they've been very
<br />supportive of this and very forthcoming. It remains to be seen, of course, so your skepticism is
<br />duly noted and understood, but I remain optimistic. Plus, we're going to have some monitoring
<br />downwind so, if they give us a wrong number, we'll have a pretty good idea that they're giving
<br />us a wrong number.
<br />BILTOFT: And yes, source sampling is really a, one of the real crux of the problem. We need
<br />to know what's coming out of the pipe basically, and there are a number of ways to do that. I
<br />mean we, PGV already does source sampling. It's for their own protection, you know, when
<br />they, when something goes wrong, they get into their HAZMAT suits and trot out to wherever
<br />the problem is and try to fix it. So, they—it's something that they already do. What they do not
<br />do is give us that information and so, hopefully, PGV will cooperate with this project and
<br />provide some of the basic source information that's needed for input to these models.
<br />And, we probably don't want to get into a technical discussion of the exact types of instruments
<br />that are used. I mean, there are spectrophotometers, for example, that can do this sort of thing
<br />and, but let us say, that we are certainly going to pay a lot of attention to source sampling
<br />because without a reasonable idea what the source is, no dispersion model is going to do any
<br />good at all.
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<br />EXHIBIT C
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