WAC 296-835-11045
WAC 296-835-11045. Protect employees during welding, burning, or other work using open flames
You must make sure the dip tank and the area around it are thoroughly cleaned of solvents and vapors before performing work involving:
(1) Welding;
(2) Burning; or
(3) Open flames.
Reference: There are additional requirements for this type of work. See Welding, cutting and brazing, chapter 296-24 WAC, Part I, and Respiratory protection, chapter 296-842 WAC.