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The state and tribal recommendations must be based on available air quality data from the given area. [6] The EPA reviews the recommendations from state and tribal governments and the local air quality data, and awards one of three classifications to a region within 2 years of the addition or revision to the NAAQS . [6] [7] Classifications include:
Lead may be found in food when food is grown in soil that is high in lead, airborne lead contaminates the crops, animals eat lead in their diet, or lead enters the food either from what it was stored or cooked in. [111] Ingestion of lead paint and batteries is also a route of exposure for livestock, which can subsequently affect humans. [112]
While some counties in central and southern Illinois had low levels of pollution, areas in Chicagoland are some of the most polluted in the nation.
The six criteria air pollutants were the first set of pollutants recognized by the United States Environmental Protection Agency as needing standards on a national level. [5] The Clean Air Act requires the EPA to set US National Ambient Air Quality Standards (NAAQS) for the six CAPs. [6]
The AQI will reach a code red when the index value surpasses 151. "Some members of the general public may experience health effects; members of sensitive groups may experience more serious health ...
The stations send hourly or daily measurements of the following air pollutants to the EPA's database, called the Air Quality System: Ground-level ozone. Particulate matter. Carbon monoxide. Sulfur ...
The ERMS was created by the Illinois Environmental Protection Agency (IEPA) in response to the Clean Air Act Amendments of 1990. Under the amendments, the Chicago metropolitan area was mandated to reduce ozone forming VOM emissions by 9% every 3 years from 1996 until the area reached attainment. Wishing to reduce emissions without imposing the ...
Looking down from the Hollywood Hills, with Griffith Observatory on the hill in the foreground, air pollution is visible in downtown Los Angeles on a late afternoon.. Air pollution is the introduction of chemicals, particulate matter, or biological materials into the atmosphere that cause harm or discomfort to humans or other living organisms, or damage ecosystems.