# Occupational Exposure to Hazardous Chemicals in Laboratories (Non-Mandatory Appendix); Technical Amendment
> **US Department of Labor** · Technical amendment. · Published 2013-01-22 · Effective 2013-01-22 · 78 FR 4324
## Document
- **Document number:** 2013-00788
- **Category:** other
- **Sub-agency:** US Department of Labor
- **Federal Register citation:** 78 FR 4324
- **CFR reference:** 29 CFR 1910
- **Publication date:** 2013-01-22
- **Effective date:** 2013-01-22
## Abstract

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.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2013/01/22/2013-00788/occupational-exposure-to-hazardous-chemicals-in-laboratories-non-mandatory-appendix-technical)
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