National performance audit program
Subtitle: 1979 proficiency surveys for sulfur dioxide, nitrogen dioxide, carbon monoxide, sulfate, nitrate, lead, and high volume flow
By: by Berne I. Bennett, Robert L. Lampe, and John C. Puzak
Contributors: Lampe, Robert L; Puzak, John C; Environmental Monitoring and Support Laboratory (Research Triangle Park, N.C.). Quality Assurance Branch
Publisher: Environmental Monitoring and Support Laboratory, Office of Research and Development, U.S. Environmental Protection Agency
Published: 1981
Place of publication: Research Triangle Park, N.C
Language: eng
Number of pages: 53
Subjects: Air -- Pollution -- United States
Other titles: 1979 proficiency surveys for sulfur dioxide, nitrogen dioxide, carbon monoxide, sulfate, nitrate, lead and high volume flow
Notes: "Quality Assurance Division, Environmental Monitoring Systems Laboratory."

"April 1981."

"EPA 600/4-81-025."

Includes bibliographical references