UNCLASSIFIED photon energy on the buildup factor for gamma-ray dose rates inside a concrete building and also to determine their effects on the net (u)2 attenuation furnished by the building. ms ¥z . ~ - 1d. eS, WNRC w = yl ZS UNCLASSIFIED <n EO) ee we Information is furnished on the layout to determine experimentally some effects of wall thickness, roof thickness, and

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