Blasting (Abrasives/Sand)
Regulations for blasting with abrasives and sand include
the following:
A. Employees must wear supplied-air respirators (covering
the head, neck, and shoulders):
- During abrasive blasting when dust may exceed limits specified
in 5155.
5151(b)(1)(B)
- During abrasive blasting with silica sand or where toxic
material evolves. 5151(b)(1)(C)
Note: A dust filter respirator may be used for 2 hours
during abrasive blasting if the concentration of silica
dust is less than ten times the limit specified in 5155.
B. Hearing protection must be worn as required by 1521.
C. Body protection must be worn as required by 1522.
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