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Hidden Dangers in the Air We Breathe

Berkeley Lab researchers work on new building standards after discovering previously unknown indoor air pollutants.

For decades, no one worried much about the air quality inside people’s homes unless there was secondhand smoke or radon present. Then scientists at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) made the discovery that the aggregate health consequences of poor indoor air quality are as significant as those from all traffic accidents or infectious diseases in the United States. One major source of indoor pollutants in the home is cooking.

The Berkeley Lab scientists are now working on turning those research findings into science-based solutions, including better standards for residential buildings and easier ways to test for the hazardous pollutants. These efforts are the result of a paper published in Environmental Health Perspectives in 2012 that described a new method for estimating the chronic health impact of indoor air pollutants. That research uncovered two pollutants that previously had not been recognized as a cause for concern—fine particles and a gas called acrolein. (more…)

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