When handling hydrofluoric acid, it is crucial to use appropriate personal protective equipment (PPE) to ensure safety. The recommended PPE includes:

1. Chemical-resistant gloves: Use gloves made from materials like neoprene, nitrile, or butyl rubber, as these provide good resistance to hydrofluoric acid.

2. Face shield and goggles: A full-face shield should be worn over chemical splash goggles to protect the eyes and face from splashes.

3. Lab coat or apron: Wear a lab coat or apron made from acid-resistant materials to protect your skin and clothing.

4. Respiratory protection: If there is a risk of inhaling vapors, use a respirator with an acid gas cartridge. Ensure that the respirator is properly fitted and approved for use with hydrofluoric acid.

5. Closed-toe shoes: Wear shoes that cover the entire foot to prevent exposure to spills.

Always work in a well-ventilated area, such as a fume hood, and have access to an eyewash station and safety shower in case of exposure. Additionally, ensure that you are familiar with emergency procedures and have calcium gluconate gel available, as it is used to treat skin exposure to hydrofluoric acid. Verify these recommendations with local regulations and workplace safety guidelines to ensure compliance and safety.