Published on December 3, 2014
U.S. Department of Labor Elaine L. Chao, Secretary Occupational Safety and Health Administration John L. Henshaw, Assistant Secretary This booklet provides a generic overview of a standards- related topic. This publication does not alter or determine compliance responsibilities, which are described in the OSHA standards and the Occupational Safety and Health Act . Because interpretations and enforcement policy may change over time, the best sources for additional guidance on OSHA compliance requirements are current administrative interpretations and decisions by the Occupational Safety and Health Review Commission and the courts. This publication is in the public domain and may be reproduced fully or partially without permission. Source credit is requested but not required. OSHA will make this information available to sensory impaired individuals upon request. Call (202) 693-1999.