1. SAFETY IN THE SCIENCE LABORATORY
Honors and AP Chemistry
Room 250
Mrs. Nielsen

2. General Guidelines
Conduct yourself in a responsible manner;

3. Know the procedure before starting experiments
Follow all instructions carefully and start immediately to avoid wasting time

4. Perform only those experiments authorized by the instructor

5. Do not eat food,drink beverages or chew gum in the lab

6. Stay out of the stock room except in emergencies

7. Absolutely no horseplay in the lab!

8. - Keep work areas clean and tidy - Keep aisles clear - No purses or backpacks in the lab

9. Eyewash Station Located at the back of the lab You must rinse your eyes for 15 minutes WEAR GOGGLES AT ALL TIMES!

10. Safety Shower Located at the back of the lab Used when chemical is spilled on a large area of one’s body

11. Fire Extinguisher Located by the front door Dry Chemical
Effective on all types of fires
Using the fire extinguisher:
Step 1: Locate the extinguisher
Step 2: Pull the pin
Step 3: Aim at fire
Step 4: Squeeze the handle

12. Fire extinguisher

13. Fire Blanket Located underneath the fume hood Use when somebody is on fire
WRAP and ROLL!!!

14. Fire and Earthquake Exit Route
Exit Room, go right, proceed to baseball field and line up between Mustang Mall and Meadows alphabetically by instructor
Meadows Ave
Mustang Mall
Baseball Field X
Room 250

15. Dispose of all chemical waste properly according to instructions;
Clean equipment and work area after use;
Return all materials to proper location
*There is a list of permanent
lab equipment in the top
drawer at each station

16. Keep hands away from face, eyes and mouth while using chemicals
Wash hands thoroughly before leaving lab X

17. Goggles must be worn at all times during a labNO
YES

18. Dress properly during a lab
Tie long hair back
No dangling jewelry
No loose, baggy clothing

19. No sandals (shoes should completely cover top of foot)
YES

20. Report any accident or injury to the instructor immediately

21. If a chemical splashes on your skin, immediately rinse it off with water and notify instructor
Treat ACID spills with BAKING SODA*
Treat BASE spills with VINEGAR*
*Baking Soda and Vinegar can be found in the fume hood

22. When checking a chemical for odors, gently waft vapors towards nose
YES

23. Double check labels on chemical bottles
Take only as much chemical as you need; you can never return unused chemicals to their original containers
Fume hoods are used to remove harmful vapors from the classroom

24. When diluting acids always add the acid to the water
“Do as you oughta – add acid to water”
Always use distilled or deionized (DI) water to make a solution, NEVER tap water
DI water is located in the dispenser at the back of the lab

25. Never handle broken glass with your bare hands
Use a dust pan and brush located next to the broken glass bin
Place broken glass in glass disposal container
First Aid kit is located underneath the fume hood

26. Never use chipped, cracked or dirty glassware;
Never leave a lit burner unattended;
When heating a substance in a test tube, never point the mouth of the test tube at yourself or others;
THERE IS AN EMERGENCY SHUT OFF BUTTON FOR THE GAS LINE ON THE WALL AT THE FRONT OF THE LAB AREA

27. Never look down into a container that is being heated;
Be careful – hot glass doesn’t look hot!

28. Analytical Balances
Never put chemical directly on the balance pan – use a weigh boat if necessary
Always leave the balance clean and tared (zeroed)

29. THE END