Technical assistance document
Subtitle: quality assurance guideline for visible emission training programs
By: Barbara E. Blagun
Contributors: Environmental Monitoring Systems Laboratory (Research Triangle Park, N.C.)
Publisher: U.S. Environmental Protection Agency, Environmental Monitoring Systems Laboratory; U.S. Environmental Protection Agency, Center for Environmental Research Information [distributor
Published: 1983
Place of publication: Research Triangle Park, NC; Cincinnati, OH
Language: eng
Subjects: Air quality management -- United States; Smoke -- Environmental aspects -- United States
Notes: Caption title

At head of title: Project summary

Distributed to depository libraries in microfiche

"May 1983."

"EPA-600/S4-83-011."