Background information on national emission standards for hazardous air pollutants
Subtitle: proposed amendments to standards for asbestos and mercury
By: U.S. Environmental Protection Agency, Office of Air Quality Planning and Standards.
Series: EPA-450/2-74-009a
Publisher: The Office
Place of publication: Research Triangle Park; [Springfield, Va.] : distributed by National Technical Information Service
Number of pages: 142
Subjects: Air -- Pollution -- Standards.; Mercury.; Asbestos -- Standards.
Notes: Microfiche (negative). Springfield, Va. : National Technical Information Service, 1974. -- 2 sheets ; 11 x 15 cm. "PB237 169".

Includes bibliographies.