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WAC 296-835-120

Additional requirements for dip tanks using flammable liquids or liquids with flashpoints greater than 199.4°F (93°C).

Summary.
IMPORTANT:
This section applies to flammable liquids or liquids with flashpoints greater than 199.4°F (93.3°C) or higher if you:
(1) Heat the liquid; and
(2) Dip a heated object in the tank.
Reference: Store flammable liquids or liquids with a flashpoint greater than 199.4°F (93°C) in accordance with WAC 296-24-330, in the general safety and health standards.
Your responsibility:
Safeguard employees working with dip tanks containing flammable liquids or liquids with a flashpoint greater than 199.4°F (93°C).
You must meet the requirements…
in this section:
Construction
 
Include additional safeguards when constructing dip tanks
Provide overflow pipes
Provide bottom drains
Fire Protection
 
Provide fire protection in the vapor area
Provide additional fire protection for large dip tanks
Electrical Wiring and Equipment and Sources of Ignition
 
Prevent static electricity sparks or arcs when adding liquids to a dip tank
Control ignition sources
Keep the area around dip tanks clear of combustible material and properly dispose of waste
Heating Liquid
 
Make sure heating the liquid in your dip tanks does not cause a fire
Heat Drying
 
Make sure a heating system used for drying objects does not cause a fire
Conveyors
 
Make sure the conveyor systems are safe
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 17-18-075, § 296-835-120, filed 9/5/17, effective 10/6/17. Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060 and 29 C.F.R. 1910 Subpart Z. WSR 14-07-086, § 296-835-120, filed 3/18/14, effective 5/1/14. Statutory Authority: RCW 49.17.010, [49.17].040, and [49.17].050. WSR 02-15-102, § 296-835-120, filed 7/17/02, effective 10/1/02.]
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