29 CFR §1917.154
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Employees shall be protected by chip guarding and personal protective equipment complying with the provisions of subpart E of this part during cleaning with compressed air. Compressed air used for cleaning shall not exceed a pressure of 30 psi. Compressed air shall not be used to clean employees.