PDFWAC 296-835-12040

Control ignition sources.

(1) You must make sure the vapor areas and adjacent areas do not have any:
(a) Open flames.
(b) Spark producing devices.
(c) Heated surfaces hot enough to ignite vapors.
(2) You must use explosion-proof wiring and equipment in the vapor area.
Reference: Electrical wiring and equipment has to meet the requirements of the applicable hazardous (classified) location. See Hazardous (classified) locations, WAC 296-24-95613. Electrostatic equipment has specific electrical requirements. See WAC 296-835-13010.
(3) You must prohibit smoking in any vapor area.
Post an easily seen "NO SMOKING" sign near each dip tank.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-18-075, § 296-835-12040, filed 9/5/17, effective 10/6/17. Statutory Authority: RCW 49.17.010, [49.17].040, and [49.17].050. WSR 02-15-102, § 296-835-12040, filed 7/17/02, effective 10/1/02.]