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Dipping and Coating Operations (Dip Tanks) (Chapter 296-835, WAC)

New Rule Activity Related Policies

Last Updated: 1/24/07

Table of Contents

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WAC Description

296-835-100

Scope.

296-835-110

General requirements.

CONSTRUCTION

296-835-11005

Construct safe dip tanks.

VENTILATION

296-835-11010

Provide proper ventilation for the vapor area.

296-835-11015

Take additional precautions if you recirculate ventilation system exhaust air into the workplace.

296-835-11020

Take additional precautions when using an exhaust hood.

INSPECTION

296-835-11025

Periodically inspect your dip tanks and associated equipment and correct any deficiencies.

FIRST AID

296-835-11030

Make sure employees working near dip tanks know appropriate first-aid procedures.

CLEANING

296-835-11035

Prepare dip tanks before cleaning.

CYANIDE

296-835-11040

Safeguard cyanide tanks.

WELDING

296-835-11045

Protect employees during welding, burning, or other work using open flames.

LIQUIDS HARMFUL TO SKIN

296-835-11050

Protect employees that use liquids that may burn, irritate, or otherwise harm the skin.

296-835-120

Additional requirements for dip tanks using flammable or combustible liquids.

CONSTRUCTION

296-835-12005

Include additional safeguards when constructing dip tanks.

296-835-12010

Provide overflow pipes.

296-835-12015

Provide bottom drains.

FIRE PROTECTION

296-835-12020

Provide fire protection in the vapor area.

296-835-12025

Provide additional fire protection for large dip tanks.

ELECTRICAL WIRING AND EQUIPMENT AND SOURCES OF IGNITION

296-835-12035

Prevent static electricity sparks or arcs when adding liquids to a dip tank.

296-835-12040

Control ignition sources.

296-835-12045

Provide safe electrical wiring and equipment where the liquid can drip or splash.

HOUSEKEEPING

296-835-12050

Keep the area around dip tanks clear of combustible material and properly dispose of waste.

HEATING LIQUID

296-835-12055

Make sure heating the liquid in your dip tanks does not cause a fire.

HEAT DRYING

296-835-12060

Make sure a heating system used for drying objects does not cause a fire.

CONVEYORS

296-835-12065

Make sure conveyor systems are safe.

296-835-130

Additional requirements for dip tanks used for specific processes.

HARDENING OR TEMPERING

296-835-13005

Meet specific requirements if you use a hardening or tempering tank.

ELECTROSTATIC EQUIPMENT

296-835-13010

Meet specific requirements if you use electrostatic equipment.

FLOW COATING

296-835-13015

Meet specific requirements if you use a flow coating process.

ROLL COATING

296-835-13020

Take additional precautions if your roll coating operation uses a liquid that has a flashpoint below 140°F (60°C).

VAPOR DEGREASING

296-835-13025

Provide additional safeguards for vapor degreasing tanks.

SPRAY CLEANING OR DEGREASING

296-835-13030

Control liquid spray over an open surface cleaning or degreasing tank.

296-835-140

Definitions.

Helpful Tool: Dip Tank PPE Selection Tool (117 KB pdf)

 

 

 

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