['Toxic and Hazardous Substances - OSHA']
['Crystalline Silica', 'Toxic and Hazardous Substances - OSHA']
12/09/2025
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Arizona operates an OSHA-approved State Plan covering most private sector workers and all state and local government workers and has adopted many federal OSHA standards, incorporating them by reference. The Arizona Division of Occupational Safety and Health (ADOSH) has no additional requirements for silica.
