Treating nuclear, biological, and chemical agent exposures presents a unique set of challenges. These scenarios usually involve multiple exposures, sometimes even mass exposures, from a single, often poorly-defined, event. Early symptoms are not distinct and can often be variable. Laboratory analyses may be required from environmental, often nonbiological, specimens. Scene evaluation and pre-hospital decontamination may turn out to be the most important intervention. Hospital resource utilization must be a consideration. Even the pathologist performing autopsies needs adequate preparation....