Occupational Safety and Health Administration OSHA

Archive Notice - OSHA Archive

NOTICE: This is an OSHA Archive Document, and no longer represents OSHA Policy. It is presented here as historical content, for research and review purposes only.

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Sand Blast Shield

The following control measures have been used to minimize exposure to silica in workplace operations involving abrasive blasting:
  • Silica Substitutes (see the previous page)

  • Barriers, Enclosures
    Enclosed areas are commonly used to prevent exposure to others in the work area and minimize exposures to employees involved in abrasive blasting. The American Conference of Governmental Industrial Hygienists (ACGIH) Ventilation Manual recommends two types of enclosures, depending of the space requirements of the operations:
  • Improved Ventilation

  • Personal Protection for Abrasive Blasting
    Only two types of respirators can be used for personal protection when performing abrasive blasting with materials containing silica (either as the blasting material or on the surface being treated). For non-silica materials, four types of respirators can be used.

    In addition to respiratory protection, sandblasters should be protected from other hazards associated with the work environment.
The OSHA ventilation standard (29 CFR 1910.94) contains specific requirements for Abrasive Blasting operations.
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