National performance audit program
Subtitle: ambient air audits of analytical proficiency, 1987
By: by Blaine F. Parr ... [et al.].
Contributors: Parr, Blaine F.; Atmospheric Research and Exposure Assessment Laboratory (U.S.)
Publisher: Atmospheric Research and Exposure Assessment Laboratory, Office of Research and Development, U.S. Environmental Protection Agency
Published: 1989
Place of publication: Research Triangle Park, N.C
Language: eng
Format: Microform
Number of pages: 43
Subjects: Air -- Pollution -- Measurement.; Air quality management -- United States.
Notes: "January 1989."

"EPA/600/3-89/006."

Includes bibliographical references (p. 8)

Microfiche. Silver Spring, Md. : Association for Information and Image Management, 1991. 1 microfiche.

Microfiche. [Washington, D.C.] : U.S. G.P.O., [1991]. 2 microfiches ; 11 x 15 cm.