Clean air (removal of dusts)
Subtitle: exposure to harmful dusts, fumes, vapors, gases, lower physical efficiency in any industry and may cause serious illness or even fatalities
Contributors: United States. Division of Labor Standards
Series: Controlling chemical hazards series -- no. 7
Publisher: U.S. Govt. Print. Off.
Published: 1947
Place of publication: Washington, D.C
Language: eng
Number of pages: 24
Subjects: Air -- Pollution; Work environment
Notes: Cover title

Issued by the U.S. Department of Labor, Division of Labor Standards

Bibliography: p. 23-24