Source: Silica, Crystalline: OSHA Standards and Enforcement | Occupational Safety and Health Administration

OSHA Standards and Enforcement

The following sections highlight OSHA standards, directives, standard interpretations, and national consensus standards that pertain to occupational exposures to crystalline silica.

OSHA Standards

General Industry (29 CFR 1910)

• 1910.94, Ventilation [related topic page]
• 1910.1000, Air contaminants
  • Table Z-3, Mineral dusts

Maritime (29 CFR 1915)

• 1915.34, Mechanical paint removers
• 1915.1000, Air contaminants

Construction Industry (29 CFR 1926)

• 1926.55, Gases, vapors, fumes, dusts, and mists
  • Appendix A, Gases, vapors, fumes, dusts, and mists
• 1926.57, Ventilation

OSHA Directives

• National Emphasis Program – Crystalline Silica. OSHA Directive CPL 03-00-007, (January 24, 2008). Includes an updated list of industries commonly known to have overexposures to silica; detailed information on potential hazards linked to silica and about current research regarding silica exposure hazards; guidance on calculating the Permissible Exposure Limits (PELs) for dust containing respirable crystalline silica in the construction and maritime industries; and guidance on conducting silica-related inspections.