Sentences with phrase «national exposure unit»

Not exact matches

The 10 - year, $ 25 million toxicological studies are the most comprehensive assessments to date of health effects and exposure to radio frequency radiation in rats and mice, according to the online notice from the National Institute of Environmental Health Sciences, a unit of the National Institutes of Health, the U.S. medical research agency.

Writing in MIT's Technology Review, Richard Muller, a senior scientist at the Lawrence Berkeley National Laboratory in California, calculated the radiation exposure — measured in a unit known as the rem — that city residents would receive from a practical dirty bomb.