Nuclear bomb detonation produces a small amount of local I-131 fallout. Most I-131 distributes over large distances, typically with only 10% making its way to the earth’s surface before undergoing spontaneous radioactive decay to stable xenon-131.
random
Strolling along Lacamas Creek
snippet of
Potassium Iodide (KI) - Radiation Emergency Medical Management (remm.hhs.gov)
tags
potassium iodide
radiation emergency
U.S. Department of Health & Human Services
snippet
website
https://remm.hhs.gov/potassiumiodide.htm