A dip tank is a container holding a liquid other than plain water that is used for dipping or coating. An object may be completely or partially immersed (in a dip tank) or it may be suspended in a vapor coming from the tank.

Exemption: Dip tanks that use a molten material (molten metal, alloy, salt, etc.) are not covered by this chapter.

This chapter applies to:

(1) A dip tank that uses a liquid other than plain water, or the vapor of the liquid, to:

(a) Clean an object;

(b) Coat an object;

(c) Alter the surface of an object; or

(d) Change the character of an object.

(2) Draining or drying an object that has been dipped or coated.

Examples of covered dipping and coating operations include, but are not limited to:

(a) Paint dipping;

(b) Electroplating;

(c) Anodizing;

(d) Pickling;

(e) Quenching;

(f) Tanning;

(g) Degreasing;

(h) Stripping;

(i) Cleaning;

(j) Dyeing;

(k) Flow coating;

(l) Roll coating.

Reference: You have to do a hazard assessment to identify hazards or potential hazards in your workplace and determine if PPE is necessary to protect your employees. See personal protective equipment (PPE), WAC 296-800-160, in the core rules, chapter 296-800 WAC.