Radiation Sensors in Major U.S. Cities Turned Off Because They Don’t Work
Most stations run by EPA can’t monitor for beta particles in real time, prompting criticism; agency says monitoring for gamma rays is enough.
A national radiation-monitoring system enhanced after the Sept. 11, 2001, terrorist attacks isn’t working as intended, with nearly three-quarters of stations not checking for a type of radiation in real time, including ones in New York, Chicago and Los Angeles.
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