Air pollution
Subtitle: improvements needed in detecting and preventing violations : report to the chairman, Subcommittee on Oversight and Investigations, Committee on Energy and Commerce, House of Representatives
By: United States General Accounting Office.
Contributors: United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Oversight and Investigations.
Publisher: GAO
Published: 1990
Place of publication: Washington, D.C
Language: eng
Number of pages: 44
Subjects: Air -- Pollution -- Law and legislation -- United States.; Air -- Pollution -- United States -- Measurement.
Notes: Cover title.

"September 1990."

"GAO-RCED-90-155."

"B-233555"--P. [1]

Includes bibliographical references.