NOTICE This report is published in the interest of providing information which may prove of value to the reader in his study of effectsdata derived principally from nuclear weapons tests. _ This document is based on information available at the ume of preparation which may have subsequently been expanded and re-evaluated. Also, in preparing this report for publication, some classified material may have been removed, Users are cautioned to avoid interpretations and conclusions based on unknown or incomplete data. ARC Technical Information Service Extensicn : Ooh Midge, Tennemes