MEASURING AIR QUALITY IN NEW YORK CITY

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Environmental engineer measures air quality at 6th Ave.  and Canal street using a particulate meter.  Measuring air quality for air pollution  in Staten Island, Brooklyn, Manhattan, with the  Air Quality Project Manager of the  Environmental Defense Fund on May 30, 2007.  (© Frances Roberts)
Environmental engineer measures air quality at 6th Ave. and Canal street using a particulate meter. Measuring air quality for air pollution in Staten Island, Brooklyn, Manhattan, with the Air Quality Project Manager of the Environmental Defense Fund on May 30, 2007. (© Frances Roberts)
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