WAC 296-840-100. Scope and application

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Washington Administrative Code › Title 296 › Chapter 296-840 › Section 296-840-100

This text was captured on Aug 14, 2026. It is a snapshot, not a live feed, so check the official code before relying on it.

Text

This chapter applies to all occupational exposures to respirable crystalline silica, except for the following:

(1) Where employee exposure results from the processing of sorptive clays.

(2) Where documented objective data demonstrates that employee exposures to respirable crystalline silica will remain below 25 micrograms per cubic meter of air (25 μg/m3) as an 8-hour TWA under any foreseeable conditions.

This is a copy of a public record, reproduced as it was published. It is not legal advice, and it may not be the version a court would rely on. Check the official source before you cite it.