Table 1. -- Minimum Requirements for Respiratory Protection for Airborne EtO
Condition of use or concentration of airborne EtO (ppm) | Minimum required respirator | |
Equal to or less than 50 | (a) | Full facepiece respirator with EtO approved canister, front- or back-mounted. |
Equal to or less than 2,000 | (a) | Positive-pressure supplied air respirator, equipped with full facepiece, hood or helmet, or |
(b) | Continuous-flow supplied air respirator (positive pressure) equipped with hood, helmet or suit. | |
Concentration above 2,000 or unknown concentration (such as in emergencies) | (a) | Positive-pressure self-contained breathing apparatus (SCBA), equipped with full facepiece, or |
(b) | Positive-pressure full facepiece supplied air respirator equipped with an auxiliary positive-pressure self-contained breathing apparatus. | |
Firefighting | (a) | Positive pressure self-contained breathing apparatus equipped with full facepiece. |
Escape | (a) | Any respirator described above. |
Note: | Respirators approved for use in higher concentrations are permitted to be used in lower concentrations. |
Wash. Admin. Code § 296-62-07367
Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. 05-03-093, § 296-62-07367, filed 1/18/05, effective 3/1/05. Statutory Authority: RCW 49.17.010,[49.17].040 , and [49.17].050. 01-11-038, § 296-62-07367, filed 5/9/01, effective 9/1/01; 99-10-071, § 296-62-07367, filed 5/4/99, effective 9/1/99. Statutory Authority: Chapter 49.17 RCW. 94-20-057 (Order 94-16), § 296-62-07367, filed 9/30/94, effective 11/20/94; 88-23-054 (Order 88-25), § 296-62-07367, filed 11/14/88; 87-24-051 (Order 87-24), § 296-62-07367, filed 11/30/87.