Safety Labels for Hazardous Chemicals
The OSHA Laboratory Standard 29 CFR 1910.1450 details specific recommendations when labeling and storing hazardous chemicals within school laboratories.
First of all, the laboratory standard [(1910.1450(h)(1)(i)] requires that labels on incoming containers not be removed or defaced. Incoming container refers to the original receptacle that holds hazardous chemicals that were purchased and shipped to the lab. But there is not a specific labeling requirement for secondary containers of hazardous chemicals in a laboratory. Secondary containers are used to transfer hazardous chemicals from their original containers. The OSHA lab standard does not require labeling because the contents are only to be temporarily stored in secondary container. Once in the lab, labeling now falls under the OSHA Lab Standard if transferred to secondary container as noted below with reference to Appendix A.
more at http://blog.nsta.org/2019/06/25/safety-labels-for-hazardous-chemicals/
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