Residual Radiation 1 : Nuclear radiation caused by fallout, artificial dispersion of radioactive material, or irradiation that results from a nuclear explosion and persists longer than one minute after burst
Defense Technical Information Center DTIF, Glossary (Part I- Abbreviations and Acronyms, Part II- Terms and Definitions), Operations in Chemical, Biological, Radiological, and Nuclear CBRN Environments (Joint Publication JP3-11), Fort Belvoir, VA, USA 2013. http://www.dtic.mil/doctrine/new_pubs/jp3_11.pdf, (DPrepCBRN - Amer) {1021}