Using air-purifying respirators.
Contributors: United States. Office of Vocational and Adult Education. Curriculum and Instruction Branch.; Consumer Dynamics, inc.
Series: Vocational education training in environmental health sciences -- module 9
Publisher: U.S. Dept. of Education, Office of Vocational and Adult Education
Published: 1981
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 33
Subjects: Air -- Purification.; Breathing apparatus.
Notes: Cover title.

"This series is supported by a contract to Consumer Dynamics, Inc. from the Curriculum and Instruction Branch of the Office of Vocational and Adult Education, U.S. Department of Education."

"ED204568."

"CE029491."

Bibliography: p. 33.