Section 296-62-07359. Permissible exposure limits (PEL).

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(1) Eight-hour time-weighted average (TWA). The employer shall 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 shall 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.

[Statutory Authority: Chapter 49.17 RCW. WSR 88-23-054 (Order 88-25), § 296-62-07359, filed 11/14/88; WSR 87-24-051 (Order 87-24), § 296-62-07359, filed 11/30/87.]

Chapter 49.17 RCW. WSR 88-23-054 (Order 88-25), § 296-62-07359, filed 11/14/88; WSR 87-24-051 (Order 87-24), § 296-62-07359, filed 11/30/87.

                    
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