Donora

#	Item
11	Smog Matters: Physical exercise and smog don’t mix. Protect your health when air quality is poor. Air pollution is a year-round problem, but smog levels are generally highest during hot, sunny days from May Add to Reading List Source URL: www.airqualityontario.com Language: English - Date: 2014-05-02 15:13:50 Earth Air pollution Volatile organic compound Air quality Pollution California Smog Check Program Donora smog Smog Atmosphere Environment
12	Historical Zinc Smelting in New Jersey, Pennsylvania, Virginia, West Virginia, and Washington, D.C., with Estimates of Atmospheric Zinc Emissions and Other Materials Open-File Report 2010–1131 Add to Reading List Source URL: pubs.usgs.gov Language: English - Date: 2010-07-08 13:16:22 Palmerton Pennsylvania Donora Pennsylvania Spelter Chemistry Zinc Horsehead Corporation
13	PDF Document Add to Reading List Source URL: accd.vermont.gov Language: English - Date: 2013-07-29 15:44:33 Donora Pennsylvania Pittsburgh metropolitan area Cuyahoga River Coal Coke Pollution Environment Geography of the United States Ohio Cuyahoga Valley National Park
14	PDF Document Add to Reading List Source URL: legacy.london.gov.uk Language: English - Date: 2005-08-03 04:14:23 Great Smog Health in the United Kingdom London Earth Air pollution Pollution Los Angeles Donora smog Smog Environment Air pollution in the United Kingdom