When Do You Need a Silica Exposure Control Plan?

Short answer

When do I need a Silica Exposure Control Plan?

In construction, a written exposure control plan is required whenever employees may be exposed to respirable crystalline silica at or above the action level — in practice, whenever you cut, grind, drill, or demolish concrete, masonry, brick, or stone. The plan must describe the tasks involved, the engineering controls, work practices, and respiratory protection used for each task, and the housekeeping measures in place. A competent person must implement the plan and inspect jobsites to enforce it.

Governing requirement: 29 CFR 1926.1153(g)

Respirable crystalline silica is created whenever you cut, grind, drill, or crush materials like concrete, stone, brick, and mortar — which puts it squarely in the path of a lot of construction and masonry work. When workers are exposed above the level OSHA sets, the respirable crystalline silica standard requires a written Exposure Control Plan.

A silica ECP generally has to identify:

The tasks that create silica exposure in your specific operations.

The engineering controls and work practices used for each — often the water-delivery or dust-collection methods tied to specific tools.

Respiratory protection where controls alone aren't enough.

Housekeeping practices that limit dust accumulation.

A designated competent person to implement the plan.

Because silica shows up in such common tasks, this is a plan many contractors need but don't realize they're missing until a client or reviewer asks for it.

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Related guides

What written safety programs does OSHA require?

Common questions

Does using Table 1 controls remove the need for a written plan?: No. Following Table 1 specified exposure control methods relieves you of exposure assessment, but the written exposure control plan and competent person requirements still apply.
Who is the competent person for silica?: Someone able to identify silica hazards and authorized to take prompt corrective action. The plan must identify them, and they must make frequent and regular jobsite inspections.