...Section 109 (b) (1) "National primary ambient air quality standards, prescribed under subsection (a) shall be ambient air quality standards the attainment and maintenance of which in the judgement of the Administrator, based on such criteria, will not create or significantly contribute...

..."Section 109(b)(l) "National primary ambient air quality standards, prescribed under subsection (a) shall be ambient air quality standards the attainment...judgment of the Administrator, based on such criteria, will not create or significantly contribute to an unreasonable risk to public health. Such primary...

...the Administrator must set a primary standard for each listed pollutant, at the level of air quality "which in the judgment of the Administrator, based...criteria and allowing an adequate margin of safety, [is] requisite to protect the public health." The Administrator must also set a secondary standard...

...the Administrator must set a primary standard for each listed pollutant, at the le-vel of air quality "which in the judgment of the Administrator, based...criteria and allowing an adequate margin of safety, [is] requisite to protect the public health." The Administrator must also set a secondary standard...

...quality standard prescribed under subsection (a) of this section shall specify a level of air quality the attainment and maintenance of which in the judgment of the Administrator, based on such criteria, is requisite to protect the public welfare from any known or anticipated adverse effects associated...

...ambient air quality standard prescribed, under subsection (a) shall specify a level of air quality the attainment and maintenance of which in the judgment of the Administrator, based on such criteria, is requisite to protect the public welfare from any known or anticipated adverse effects associated...

...secondary ambient air quality standard prescribed under subsection (a) shall specify a level of air quality the attainment and maintenance of which in the judgment of the Administrator, based on such criteria, is requisite to protect the public welfare from any known or anticipated adverse effects associated...

...standards. The Administrator was guided in setting the primary standards by 42 USC 7409(b)(l) which states: "National primary ambient air quality standards. ....standards the attainment and maintenance of which in the judgement of the Administrator, based on [air quality] criteria and allowing an adequate margin of...

...specific mandate from Congress in the 1970 Amendments is the requirement that EPA promulgate national ambient air quality standards "...the attainment and...maintenance of which in the judgment of the administrator, allowing an adequate margin of safety, is requisite to protect public health". "Public health" is nowhere...

...ambient air quality standard prescribed, under subsection (a) shall specify a level of air quality the attainment and maintenance of which in the judgment of the Administrator, based on such criteria, is requisite to protect the public welfare from any known or anticipated adverse effects associated...