OSHA Silica Table 1 for Construction: Controls, Respirator Rules and the 4-Hour Trap (2026)
TL;DR: OSHA silica Table 1 is the list of construction tasks in 29 CFR 1926.1153(c) where an employer can skip exposure monitoring if it fully and properly implements the listed engineering controls, work practices and respirators. If a task is not on Table 1, or the controls are not fully in place, the employer must…










