...procedures capable of qualitatively and quantitatively measuring pollutants "which cause or contribute, or are likely to cause or contribute, to air pollution which endangers the public health or welfare but for which standards have not been prescribed" in accordance with Section...

...aircraft. The Administrator may set standards for a pollutant when he feels that its emissions cause, contribute to, or are likely to cause or contribute to "air pollution which endangers the public health or welfare." (b) The Occupational Safety and Health Act of 1970 (PL 91-596) The Act is...

...prevention and abatement of conditions which cause or contribute to or which are likely to cause or to contribute to air pollution which endangers the health or welfare of any persons. (b) In determining whether a facility complies with these general policies the Surgeon General will take...

...PO1 CONTROL from any class or classes of new motor vehicles or new motor vehicle engines, which In his judgment cause or contribute to, or are likely to cause or to contribute to, air pollution which endangers the health or welfare of any persons, and such standards...

...Washington, DC 567 from any class or classes of new motor vehicles or new motor vehicle engines, which In his Judgment cause or contribute to, or are likely to cause or to contribute to, air pollution which endangers the health or welfare of any persons, and such standards...

...crops and livestock and creates hazards to air and ground transportation. However, section 6 applies to air pollution "which endangers the health or welfare of any persons." It is not clear that this would cover hazards to transportation, and it is doubtful that it would cover...

...crops and livestock and creates hazards to air and ground transportation. However, section 6 applies to air pollution "which endangers the health or welfare of any persons." It is not clear that this would cover hazards to transportation, and it is doubtful that it would cover...

...crops and livestock and creates hazards to air and ground transportation. However, section 6 applies to air pollution "which endangers the health or welfare of any persons." It is not clear that this would cover hazards to transportation, and it is doubtful that it would cover...

...of substance, from any class or classes of new motor vehicles or new motor vehicle engines, which in his judgment cause or contribute to, or are likely...promulgated by the Secretary, to become effective 110 later than September 1, 1967. "(c) The Secretary is authorized to amend such regulations promulgated...

...Secretary is required to prescribe standards or limitations applicable to vehicle emissions, which in his judgment cause or contribute to or are likely...pollution, which endangers the health or welfare of any person. Upon application of the manufacturer, testing of new motor vehicles or new motor vehicle engines...