Follow up to previous postings on government implementation of whole body scanning technology at airports, see Presidential Report on Radiation Protection Advice: Screening of Humans for Security Purposes Using Ionizing Radiation Scanning Systems – A Report Prepared by the National Council on Radiation Protection and Measurements: “This Presidential Report from the National Council on Radiation Protection and Measurements (NCRP) presents radiation protection advice concerning ionizing radiation-producing devices that are being evaluated for various uses in screening of humans for the purpose of security. Chief among the devices being evaluated at the present time are scanning systems that utilize x rays. This report addresses systems utilizing ionizing radiation, but also describes briefly some systems under consideration that utilize nonionizing radiation sources.”