by the United States government

Summary

by the United States government United States Code — Title 42, Chapter 85…

An evaluation, within 12 months after November 15, 1990, of each of the hazardous air pollutants listed under section 7412 (b) of this title, to decide, on the basis of available information, their relative priority for preparation of environmental health assessments pursuant to subparagraph :: (C) . The evaluation shall be based on reasonably anticipated toxicity to humans and exposure factors such as frequency of occurrence as an air pollutant and volume of emissions in populated areas. Such evaluation shall be reviewed by the Interagency Task Force established pursuant to subparagraph (A) .
Source: Wikisource

by the United States government United States Code — Title 42, Chapter 85…

Identification of regionally representative and critical ecosystems for research. (2) Evaluation of risks to ecosystems exposed to air pollutants, including characterization of the causes and effects of chronic and episodic exposures to air pollutants and determination of the reversibility of those effects. (3) Development of improved atmospheric dispersion models and monitoring systems and networks for evaluating and quantifying exposure to and effects of multiple environmental stresses associated with air pollution.
Source: Wikisource

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