Wash. Admin. Code § 296-62-07359 - Permissible exposure limits (PEL)
(1)
Eight-hour time-weighted average (TWA). The employer must ensure
that no employee is exposed to an airborne concentration of EtO in excess of
one part EtO per million parts of air (1 ppm) as an eight-hour time-weighted
average. (Eight-hour TWA.)
(2)
Excursion limit. The employer must ensure that no employee is exposed to an
airborne concentration of EtO in excess of five parts of EtO per million parts
of air (5 ppm) as averaged over a sampling period of fifteen minutes.
Notes
Statutory Authority: Chapter 49.17 RCW. 88-23-054 (Order 88-25), § 296-62-07359, filed 11/14/88; 87-24-051 (Order 87-24), § 296-62-07359, filed 11/30/87.
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