Mine safety, basis for proposed exposure limit on respirable coal mine dust and possible approaches for lowering dust levels
Subtitle: report to congressional requesters
Publisher: United States Government Accountability Office
Published: 2014
Place of publication: Washington, D.C.]
Language: eng
Number of pages: 17
Subjects: Coal mines and mining; Dust control; Government policy
Notes: Title from title screen (viewed Oct. 9, 2014).

"April 2014."

"GAO-14-345."

Includes bibliographical references.