Permissible exposure limit (PEL). The employer must ensure that no employee is exposed to an airborne concentration of chromium (VI) in excess of 5 micrograms per cubic meter of air (5 (mu)g/m\3\), calculated as an 8-hour time-weighted average (TWA).
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050, and
49.17.060. WSR 19-01-094, § 296-62-08007, filed 12/18/18, effective 1/18/19; WSR 06-16-106, § 296-62-08007, filed 8/1/06, effective 9/1/06.]