Lab and Safety Procedures

1. Lab and Safety Procedures

2. Major Causes of Lab Accidents • Carelessness • Lack of attention • Inappropriate behavior

3. When do you wear safety goggles? • When handling acids or bases. • Dealing with an open flame. • When doing an activity that could harm your eyes.

4. Heat • A hot plate is the best source of heat. • Make sure all glassware is heat resistant and is not chipped or cracked. • Use a hot plate instead of an open flame.

5. Food and Drinks • Never taste materials in the lab. • Never eat or drink anything while doing a lab activity.

6. Cords • Do not have cords where someone can trip. • Do not let cords hang from a table edge so that equipment can be pulled down and broken. • Do not use equipment with frayed cords

7. Sharps • Never use a double edge razor blades, knives, or other sharp instruments for cutting in lab

8. Disposal • Do not dispose of lab waste in the trash can. • Check with the teacher before disposing of any materials.

9. Clean Up • Done at the end of every lab activity • Turn off water, hot plates, and other burners if used. • Put away equipment • Clean up work area • WASH hands

10. What do you need to know about safety equipment? Where the fire extinguisher and first aid kits are located.

11. Safety Symbols • See Symbols Worksheet to draw the following symbols. • Disposal: Do not dispose of materials in the sink or trash can. • Biological: Avoid skin contact. Wear mask and gloves. • Fume: Never smell fumes directly. Wear a mask. • Extreme Temperature: Use proper protection when handling. • Electrical: Double check set up with teacher.