Two workers using small pneumatic hammers. No hearing protection, eye protection or respirators. It does not appear that engineering controls are being employed to suppress the dust. Engineering controls can effectively reduce noise and silica dust levels.
1926.52(b) When employees are subjected to sound levels exceeding those listed in Table D-2 of this section, feasible administrative or engineering controls shall be utilized. If such controls fail to reduce sound levels within the levels of the table, personal protective equipment as required in Subpart E, shall be provided and used to reduce sound levels within the levels of the table.