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PDFWAC 296-307-445


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.
Dip tanks that use a molten material (molten metal, alloy, salt, etc.) are not covered by this chapter.
This chapter applies to:
• A dip tank that uses a liquid other than plain water, or the vapor of the liquid, to:
– Clean an object
– Coat an object
– Alter the surface of an object
– Change the character of an object.
• Draining or drying an object that has been dipped or coated.
Examples of covered dipping and coating operations include, but are not limited to:
– Paint dipping
– Anodizing
– Pickling
– Quenching
– Tanning
– Degreasing
– Stripping
– Cleaning
– Dyeing.
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 296-307-100 through 296-307-10025.
[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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