CSLB C-33 Painting & DecoratingSafetyMedium
A painting contractor is instructing new employees on the proper handling and storage of paint thinners and solvents. Which of the following is an essential safety practice for preventing fires related to these materials?
- AUsing unapproved plastic containers for temporary storage to save costs.
- BStoring all containers in direct sunlight to prevent condensation.
- CDisposing of solvent-soaked rags in open-top metal bins.
- DEnsuring proper grounding and bonding when transferring flammable liquids.
Show answer & explanationAnswer & explanation
Correct answer: D. Ensuring proper grounding and bonding when transferring flammable liquids.
Proper grounding and bonding are crucial when transferring flammable liquids to prevent the buildup of static electricity, which can generate sparks and ignite flammable vapors.
Why the other options are wrong
- A. Using unapproved containers is unsafe as they may not be chemically compatible or adequately sealed for flammable liquids.
- B. Storing in direct sunlight can increase vapor pressure and fire risk, not prevent condensation.
- C. Solvent-soaked rags should be stored in self-closing, approved oily waste cans to prevent spontaneous combustion, not open-top bins.
Flammable Liquid Handling
Safe handling of flammable liquids requires controlling ignition sources, using approved containers, and practicing proper grounding and bonding during transfer.
- Static electricity buildup is a major ignition hazard during liquid transfer.
- Approved containers are designed to prevent leaks and minimize vapor release.
- Ventilation is essential to prevent vapor accumulation in storage areas.
Memory trick: Grounding Guards Gallons, Preventing Grim Glares.