Occupational Safety and Health Administration January 22, 2013 – Federal Register Recent Federal Regulation Documents

This document updates a non-mandatory appendix in OSHA's Occupational Exposure to Hazardous Chemicals in Laboratories Standard. The non-mandatory appendix is being updated to include the contents of the latest National Academy of Sciences publication entitled, ``Prudent Practices in the Laboratory: Handling and Management of Chemical Hazards,'' 2011 edition. All revisions being made are minor and non- substantive.