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National Emission Standards for Hazardous Air Pollutants

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The National Emissions Standards for Hazardous Air Pollutants (NESHAPs) are emissions standards set by the US Environmental Protection Agency for an air pollutant not covered by National Ambient Air Quality Standards that may cause an increase in fatalities or in serious, irreversible, or incapacitating illness. The standards for a particular source category require the maximum degree of emission reduction that the EPA determines to be achievable, which is known as the Maximum Achievable Control Technology (MACT). [1]. These standards are authorized by Section 112 of the Clean Air Act and the regulations are published in 40 CFR Parts 61 and 63.

NESHAP includes regulation of the following heavy metals:

CAS Number Chemical Name Notes
n/a Antimony Compounds
n/a Arsenic Compounds inorganic including arsine
n/a Beryllium Compounds
n/a Cadmium Compounds
n/a Chromium Compounds
n/a Cobalt Compounds
n/a Coke Oven Emissions
n/a Cyanide Compounds
n/a Glycol ethers
n/a Lead Compounds
n/a Manganese Compounds
n/a Mercury Compounds
n/a Fine mineral fibers
n/a Nickel Compounds
n/a Polycylic Organic Matter
n/a Radionuclides including radon
n/a Selenium Compounds

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Wikipedia also has an article on National Emission Standards for Hazardous Air Pollutants. This article may use content from the Wikipedia article under the terms of the GFDL.