Standard Interpretations
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OSHA requirements are set by statute, standards, and regulations. Our interpretation letters explain these requirements and how they apply to particular circumstances, but they cannot create additional employer obligations. Each letter constitutes OSHA's interpretation of the requirements discussed. Note that our enforcement guidance may be affected by changes to OSHA rules. Also, from time to time we update our guidance in response to new information.
- 1910.1200 App C - Acceptable use of pictograms on chemical labels under the revised Hazard Communication standard - 12/23/2014
- 1910.1200 App C - Clarification on combining hazard statements on labels under the hazard communication standard - 11/10/2014
- 1910.1200 App C - Hazard communication pictograms; single color and economic feasibility - 08/25/2015
- 1910.1200 App C - Hazard Communication Standard – SDS responsible party and hazards not otherwise classified - 09/18/2018
- 1910.1200 App C - HCS 2012 pictograms for aerosol air fresheners - 07/02/2015
- 1910.1200 App C - Label requirements between CPSC and HCS 2012 and aerosol products - 07/02/2015
- 1910.1200 App C - Label requirements between CPSC and HCS 2012 and aerosol products - 06/29/2015
- 1910.1200 App C - Precautionary statements in Hazard Communication standard - 09/11/2019
- 1910.1200 App C - Safety data sheets and label requirements - 05/21/2015
- 1910.1200 App C - Single HCS Compliant Shipping Label that includes DOT and/or State Requirements - 10/04/2021