...international agency has reason to believe that any air pollutant or pollutants emitted in the United States cause or contribute to air pollution which may reasonably be anticipated to endanger public health or welfare in a foreign country or whenever the Secretary of State requests...

...The CAA provides for the identification and control of "hazardous" pollutants, defining them as those which "may reasonably be anticipated to result in an increase in mortality or an increase in serious irreversible, or incapacitating reversible, illness." EPA is required to list these pollutants,...

...to "determine whether or not emissions of polycyclic organic matter (POM) into the ambient air will cause, or contribute to air pollution which may reasonably be anticipated to endanger public health." Clearly, these mandates reflect growing concern over possible health effects...

...quality standard is applicable and which in the judgement of the Administrator causes, or contributes to, air pollution which may reasonably be anticipated...result in an increase in mortality or an increase in serious irreversible, or incapacitating reversible, illness. No emissions from forestry burning have...

...including source material, special nuclear material and byproduct material licensed by the NRC, will cause or contribute to air pollution which may reasonably be anticipated to endanger public health. If the EPA Administrator makes an affirmative determination with respect to...

...from August, 1977 to make a determination of whether "emissions of radioactive pollutants ... will cause or contribute to air pollution which may reasonably be anticipated to endanger public health." It 1s only after this determination has been made and EPA has decided to list...

...quality standard is applicable and which in the judgment of the Administrator causes, or contributes to, air pollution which may reasonably be anticipated...result in an increase in mortality or an increase in serious irreversible, or incapaciting reversible, illness... (b) (1) (A) The Administrator shall publish...

...makes an affirmative determination that emissions of radioactive pollutants into the ambient air will cause or contribute to air pollution which may reasonably be anticipated to endanger public health, then the EPA will promulgate standards under the Clean Air Act to control such...

...thereafter revise, a list which includes each air pollutant — (A) emissions of which, in his judgment, cause or contribute to air pollution which may reasonably be anticipated to endanger public health or welfare; (B) the presence of which in the ambient air results from numerous...

...from any class or classes of new motor vehicles or new motor vehicle engines, which in his judgment cause, or contribute to, air pollution which may reasonably be anticipated to endanger public health or welfare. Such standards shall be applicable to such vehicles and engines...