cross-contamination of the material. There was an automatic "C" rating if the sidewalls of the holes collapsed and fell into the hole, and if after several attempts at other locations to collect unsuccessful, then we would say that was a "C“ site. samples we were There is likely to be transfer of material vertically that was not at the lower level when we came to the site. If we were unable to collect a full 30 cms, that also gave an automatic “C" rating. If extraction of the samples required use of any of techniques, that also was considered very seriously. the special A "B" rating came 10 from ll extracted manually. 12 contaminated the lower sample, or if most of the cores needed to be trimmed 13 indicating that an excess of materia} had come up the first extraction. 14 none of these things happened, then we rated it as an “A" site; so, our 15 criteria and our rating do not have the same quality, I might say, as those 16 done by DRI and by Livermore. 1? those That places where some of There was the holes had stones that concludes the collection process. 19 with soil processing. 20 been a good idea, but it seemed like a good idea at the time. 21 any questions? 23 DR. WARD: If You may be wondering what those other two pages are. _ CHAIRMAN MOSELEY: to be an automatic presumption that we cross- 18 22 had Those are for my next presentation which deals They are all attached together. It may not have Are there Are thereany questions on this aspect? What kind of an array do you have for the ten samples that 24 you take around the centerpoint? 25 is there but one? 26 DR. HAWTHORNE: 27 OR. WARD: 28 DR. HAWTHORNE: I didn't see a plan view of the holes, or Normally it was linear, straight line I see, march along in one direction. We tried to drive the stake where we thought the 118