TOOLS: Follow That Smoke

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Science  20 Oct 2006:
Vol. 314, Issue 5798, pp. 393
DOI: 10.1126/science.314.5798.393e

Los Angeles is infamous for throngs of polluting cars, but electronics plants and other facilities that spew toxic compounds also clutter the area. To track down emission sources and locate other pollution trouble spots, ooze over to Enviromapper from the U.S. Environmental Protection Agency. The site offers 11 modules for charting environmental variables. The Envirofacts module, for instance, can pinpoint everything from contaminated streams to air polluters. Zoom in and click on any source to find out how much of each chemical it releases. With another feature, users can flush out results of soil, water, and sediment tests conducted at locations such as schools and petrochemical plants after last year's Gulf Coast hurricanes.

www.epa.gov/enviro/html/em/index.html

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