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.
- 1910.1000 TABLE Z-1 - A fingerprint powder called Sirchie Silk Black contains polynuclear aromatic hydrocarbons (PNA's). - 06/05/1986
- 1910.1000 TABLE Z-1 - Compliance and Enforcement Activities affected by the PELs Decision. - 08/05/1993
- 1910.1000 TABLE Z-1 - Enforcement of the Hazard Communication Standard as it relates to "vegetable oil mist" - 03/19/1991
- 1910.1000 TABLE Z-1 - Hazardous components of diesel engine emissions. - 11/08/1985
- 1910.1000 TABLE Z-1 - Information on hazards of dry photocopiers - 10/10/1984
- 1910.1000 TABLE Z-1 - Information on Polychlorobiphenyls (PCB's) in Ceiling Tiles - 11/03/1986
- 1910.1000 TABLE Z-1 - Inquiry concerning regulations that apply to smoking in dormitories. - 05/07/1986
- 1910.1000 TABLE Z-1 - Iodine exposure during pre-operative scrubbing. - 06/12/1986
- 1910.1000 TABLE Z-1 - PCBs in fluorescent light fixtures. - 02/26/1987
- 1910.1000 TABLE Z-1 - Request for a list of all OSHA-regulated air contaminants. - 03/22/1995
- 1910.1000 TABLE Z-1 - Requirements for maintaining Material Safety Data Sheets (MSDSs) for coal including coal dust, fly ash, and silica dust. - 04/27/2005
- 1910.1000 TABLE Z-1 - Standards applicable to Epon 826, 827, and Epon Curing Agent Z. - 01/18/1988