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This report was prepare d as an accoun t of work | 1 sponso red by the United States Governm ent. Neither I ' the United States nor the United States Atomic Energy I ri Commi ssion, nor any of their employ ees, nor any of j 4 their contrac tors, subcon tractors , or their employ ees, 1 makes any warranty , express or implied, or assumes any legal liability or respon sibility for the accurac y, com-l pletene ss or usefuln ess of any informa tion, apparat us, product or process disclosed , or represe nts that its use would not infringe privatel y owned rights.

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