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Web Date: November 10, 2010

Lead Isotopes Tag The Origins Of Particulate Air Pollutants

Air Pollution: Study finds that 29% of the Bay Area's particulate air pollution comes from across the Pacific
Department: Science & Technology
News Channels: Environmental SCENE, Analytical SCENE
Keywords: air pollution, particulate pollution, geochemistry, lead, isotopes, isomer profiling, atmosphere

The Clean Air Act sets air quality standards that municipalities in the United States must meet. But some pollution travels from thousands of miles away. Now researchers have developed a method to more precisely identify the origins of small particulate pollutants (Environ. Sci. Technol., DOI: 10.1021/es101450t). With it, they determined that 29% of the San Francisco area's . . .

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