In a short time a dose of 1 Sv causes acute radiation sickness, and a dose of 10 Sv is fatal.” Short and to the point, the Sievert measurement informs all residents of imminent danger. Very democratic, that.
New York City more Radioactive than Tokyo, Japan
Take all necessary precautions.
The low was only 22 cities with more than 1,000 CPM recorded.
Over the past 70 years the Bomb made radiation has gotten into everything and mutated it. Of course, that includes all of us.