providing a very important base line data set, not only for the present, perhaps. temporal, purpose of assessment of dose from NTS fallout but for It appears to be being carried possible future events which might occur. out in a careful and excellent fashion. Since I think it is so important, I believe all possible checks should be made to ensure that this data set is as soundly based and documented as is reasonably possible, and any possible ties to the NURE analysis should also be made for much the same reasons as above. CHAIRMAN MOSELEY: 10 DR. CASARETT: Thank you. In general George. the ORERP investigators continue to be 11 highly responsive to recommendations and suggestions from DAAG to the 12 extent that is reasonably feasible, and I feel that Bruce Church and Lynn 13 Anspaugh have made it clear to us those suggestions that don't seem 14 reasonable and feasible and those which are. In general, the progress 15 toward achievement of the overall research objectives and completion of 16 specific tasks appears to have been excellent, especially in view of the 17 substantial time and effort that has been devoted recently to provide 18 information in litigation processes. 19 The ORERP investigators, therefore, should be congratulated on their 20 high levels of competence and conscientiousness in this work. 21 In view of the progress made 22 validity of so-called hotspots, it toward does assessment seem 23 jargon term more formally, if not replace it. 24 there may also be cold spots. of advisable the to extent define or this Presumably, by implication, Definitions could be made in terms of some 25 -minimal factor or factors of difference distinguishing extraordinarily high 26 or low radiation exposure in demarcated subareas relative to the exposure 27 in surrounding larger areas characterized more generally or uniformly by 28 elevated exposure; something of that sort, 288 and whether you call it hot-

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