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The city's most visible problem in the first half of the 20th century was air pollution. The Conference brokered an agreement for phased-in implementation of smoke control that became city policy. After the Conference voiced its concern for legal loopholes to the state legislature in Harrisburg, Pennsylvania , a comprehensive anti-pollution law ...
Donora Death Fog: Clean Air and the Tragedy of a Pennsylvania Mill Town (University of Pittsburgh Press, 2023) Snyder, Lynne Page. "'The death-dealing smog over Donora, Pennsylvania': industrial air pollution, public health policy, and the politics of expertise, 1948–1949." Environmental History Review 18.1 (1994): 117–139.
The deputy secretary for Waste, Air, Radiation, and Remediation plans, directs and coordinates the department's programs related to air quality, waste management, radiation protection, and environmental cleanup. The bureaus of Waste Management, Radiation Protection, Air Quality, and Environmental Cleanup & Brownfields are housed here. [7]
Below is a list of 526 cities sorted by their annual mean concentration of PM2.5 (μg/m 3) in 2022. [1] [2] By default the least polluted cities which have fewest particulates in the air come first.
US counties that are designated "nonattainment" for the Clean Air Act's NAAQS, as of September 30, 2017. The U.S. National Ambient Air Quality Standards (NAAQS, pronounced / ˈ n æ k s / naks) are limits on atmospheric concentration of six pollutants that cause smog, acid rain, and other health hazards. [1]
The Air Pollution Control Act was the culmination of much research done on fuel emissions by the federal government in the 1930s and 1940s. Additional legislation was passed in 1963 to better fully define air quality criteria and give more power in defining what air quality was to the Secretary of Health, Education, and Welfare.
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Ventilating or ventilation (the "V" in HVAC) is the process of exchanging or replacing air in any space to provide high indoor air quality which involves temperature control, oxygen replenishment, and removal of moisture, odors, smoke, heat, dust, airborne bacteria, carbon dioxide, and other gases. Ventilation removes unpleasant smells and ...
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