Protected Area (PA) 1 : A controlled access area encompassed by physical barriers (i.e., walls or fences) used to protect Categories I and II nuclear materials and vital areas
Department of Energy AREA SDMP, DOE Handbook, Glossary of Environment Safety and Health Terms, DOE-HDBK-1188-2006, D.C. 20585, USA 2006. http://www.hse.niordc.ir/uploads/86_24_dictionary_ 2006.pdf, (Envir Hlth and Sfty - Amer) {44}
