Lab Safety 1 Before Experiment

Summary

This video script emphasizes laboratory safety protocols. It instructs viewers to identify exits and fire extinguishers, and to evacuate calmly in emergencies. Personal protective equipment, including lab coats and safety goggles, is mandatory to prevent chemical exposure. The script advises cleaning lab benches before use and reading safety data sheets. It also covers the proper use and disposal of gloves to avoid contamination, ensuring a safe lab environment.

Takeaways

• 🏃 Identify the nearest exit and fire extinguisher before entering the lab for emergency preparedness.
• 👀 Safety goggles are crucial; they must fully seal to prevent chemicals from reaching the eyes.
• 🧥 Wear a lab jacket to protect your clothes and skin from hazardous chemicals.
• 🚫 Avoid leaving coats and backpacks on the floor to prevent tripping hazards.
• 🧼 Clean your lab bench before starting work, assuming it may be contaminated.
• 📄 Read and understand safety data sheets (SDS) for the chemicals you will be working with.
• 🧤 Use gloves when handling chemicals, especially if they are toxic or hazardous, and dispose of them properly.
• 🚪 Do not exit the lab with gloves on; remove and dispose of them to avoid contamination outside the lab.
• 🔍 Assume that the lab bench may be contaminated even if it appears clean, and always clean it before use.
• 📍 Know the evacuation plan and procedures, including where to gather outside and the designated indoor evacuation point.

Q & A

What is the first thing you should do upon arriving at the laboratory?

Upon arriving at the laboratory, you should first identify the nearest exit and the location of the nearest fire extinguisher.

Why is it important to know the location of the fire extinguisher outside the lab?

Knowing the location of the fire extinguisher outside the lab is important because it allows you to access it without having to go through the fire, ensuring a safer path for using it in case of an emergency.

What should you do if you need to evacuate the building?

In case of evacuation, you should move swiftly towards the exits without running, stay together outside the building for roll call, and maintain a distance of about 50 feet from the building.

Where should you hang your coat and backpack in the lab?

You should hang your coat and backpack in the designated cubby holes at the front of the room to avoid creating trip hazards.

What is the primary goal of lab safety?

The primary goal of lab safety is to prevent hazardous chemicals from coming into contact with your skin, entering your body, or being released into the environment.

Why is wearing a lab jacket important in the lab?

Wearing a lab jacket is important because it helps protect your clothes and skin from hazardous chemicals, reducing the risk of contamination.

What type of eye protection is recommended for use in the lab?

Fully sealing safety goggles are recommended for use in the lab, as they provide a better seal around the eyes compared to regular safety glasses, preventing chemicals from dripping into the eyes.

How should you treat the lab bench when you first arrive at your lab station?

You should assume that the lab bench may be contaminated and clean it thoroughly before starting any work, regardless of whether previous users have cleaned it.

What should you do before starting your lab work with chemicals?

Before starting lab work with chemicals, you should read and analyze the safety data sheets (SDS) for the chemicals you will be using to understand their hazards and proper handling procedures.

When should you wear gloves in the lab?

You should wear gloves in the lab when working with chemicals that are particularly toxic or hazardous, as instructed by your instructor, to protect your hands from contamination.

What should you do with your gloves when leaving the lab?

When leaving the lab, you should remove your gloves and dispose of them properly, ensuring not to wear them out of the lab where they might contaminate other areas.