Air toxics


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air toxics

[′er ¦täk·siks]
(engineering)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

Air toxics

Any air pollutant for which a standard in the National Ambient Air Quality Standards (NAAQS) does not exist that may reasonably be anticipated to cause serious or irreversible chronic or acute health effects in humans.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
To extend the understanding of the roles of air toxics in ASD etiology, we conducted a study using a different design than previously, with unique strengths.
* 92% reduction in TRI urban air toxics since 1990, and 92% reduction in toxicity weighted hazard
For example, the EPA could decide that regulating carbon dioxide emissions is more important than regulating mercury emissions, and withdraw its mercury air toxics rule for some (or all) power plants, thereby potentially opening the door to section 111(d) regulation for those sources.
air pollutants." (138) The twenty air toxics emitted at the highest
Most air toxics originate from human-made sources, including cars, trucks, buses and stationary sources like factories, refineries, power plants, as well as building materials and activities such as cleaning.
In a discussion with a public interest group attorney involved in the air toxics litigation, the attorney cited the group's scarce resources as a decisive factor in the group's decision to select only a handful of rules to appeal in court and emphasized that the small number of appealed rules most certainly should not be read to suggest the group's satisfaction with the remaining eighty-three emission standards.
Environmental Protection Agency (EPA) is finally poised to adopt a power plant air toxics rule that will mainly target mercury, fine particulates (which contain heavy metals), and acid gases.
* As CLFs Jonathan Peress said in a press statement, the EPAs recent Mercury and Air Toxics Standards (MATS) "amount to one of the most significant public health and environmental measures in years." They are also simitar to standards we adopted here in New England years ago.
Earlier this year the EPA proposed new "Mercury and Air Toxics Standards" regulating mercury emissions from utilities across the country, with the goal of reducing the amount of mercury emitted by coal burning by 91 percent by 2016.
Building on the Obama Administration's record of protecting the public's health through common-sense clean air standards--including proposed standards to reduce emissions of mercury and other air toxics, as well as air quality standards for sulfur dioxide and nitrogen dioxide--the U.S.
Study after study show that to protect public health, we need to significantly lower the amount of soot, smog, and air toxics, which include mercury, lead, arsenic and dioxin.
The air toxics of most concern continued to improve.

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