Book Description

The report is a discussion of the technical assumptions underlying the methods currently recommended by the Office of Civil Defense (OCD) for calculating protection afforded by structures against fallout radiation.It discusses methods for calculating the contributions from radioactive sources on the roof and on the ground surrounding a simple one-storied building.It shows in detail how each technical chart in the OCD Professional Manual is derived from basic data on radiation penetration developed by Dr. L. V. Spencer.Charts from the Professional Manual and relevant curves from Spencer's work are included.(Author).