RESPONSE TO OCPA QUESTIONS ON FALLOUT DCPAResearch Report No. 20 Nov. 1973 Prepared by Subcommittee on Fallout Advisory Committee on Civil Defense National Academy of Sciences Qin 4 ate A, with Notes and Comments by J.C.Greene, DCPA This report has been. reviewed by the Defense Civil Preparedness Agency and approved for publication. Approval does not signify that the contents neces- sarily reflect the views and policies of the Defense Civil Preparedness Agency. This document has been approved for public release. Its distribution is unlimited.