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PDFWAC 296-307-445


Dip tank. 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.
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;
(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) Anodizing;
(c) Pickling;
(d) Quenching;
(e) Tanning;
(f) Degreasing;
(g) Stripping;
(h) Cleaning;
(i) Dyeing.
The employer has to do a hazard assessment to identify hazards or potential hazards in the workplace and determine if PPE is necessary to protect employees. See personal protective equipment (PPE), WAC 296-307-100 through 296-307-10025.
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 20-21-091, § 296-307-445, filed 10/20/20, effective 11/20/20. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 03-10-068, § 296-307-445, filed 5/6/03, effective 8/1/03.]
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