Laboratory Safety

Laboratory Safety

$1.25

Thursday August 21, 2014

Vol XCIII, No. 311

Lab in a PRIVILEGE not a RIGHT!

22. If a chemical splashes in your eyes or on your skin, immediately flush with running water for 20 minutes. NOTIFY YOUR INSTRUCTOR IMMEDIATELY!

21. ALL accidents & injuries MUST be reported no matter how small or trivial they may seem!!

General Rules

11. Read all labels before doing anything. Check then double check.

12. Keep hands away from face, eyes, mouth & body during lab.

13. Wash your hands before leaving the laboratory.

14. Students are NEVER permitted in the science storage areas unless given permission from the instructor.

15. Know what to do in the event of a fire drill at all times.

16. Make your instructor aware of any medical condition (for example: allergies, pregnancy, etc.). Check with your physician prior to working in lab.

Handling Chemicals

7. Observe good housekeeping practices. Keep work areas neat and organized.

8. Keep personal items other than lab manual & writing utensil at your desk and out of the aisle.

9.BE ALERT & proceed with caution at all times.

10. Dispose of all chemicals as instructed to do so.

17. Any time chemicals, heat, or glassware are used, students WILL wear their goggles. There will be NO exceptions to this rule!

18. Contact lenses should not be worn unless you have permission.

19. Dress appropriately for lab. No loose clothing, long hair, dangling jewelry, or open-toed shoes.

20. Lab aprons will be provided and worn during ALL lab activities!

23. All chemicals in the laboratory are to be considered DANGEROUS! DO NOT touch, taste, or smell any chemicals unless specifically instructed to do so. The proper technique for smelling chemical fumes will be demonstrated to you.

24. Always check the label twice before removing any of the contents. Take only as much as you need, you can always get more.

25. NEVER return unused chemials to their original containers!

26. ALWAYS hold the containers away from you when you are transferring materials from one container to another.

27. Handle flammable hazardous liquids over a pan to contain spills. NEVER dispense flammable liquids anywhere near an open flame or source of heat.

1. Follow ALL instructions

2. Do NOT perform any unauthorized experiments ! (Performing your own experiment without permission.)

3. Do NOT eat food, drink beverages, or chew gum in classroom on lab day.

4. When entering classroom, DO NOT touch materials that are out until instructed to do so!

5. Be prepared for lab. READ THE ENTIRE LAB BEFORE ENTERING CLASSROOM! (There will be a pre-lab quiz prior to performing the experiment.)

6. NEVER FOOL AROUND IN THE LABORATORY!

NEVER remove chemicals or other materials from the laboratory!

Heating Substances

Handling Glassware & Equipment

28. Take great care when transporting chemicals, glassware, and all other lab materials hold securely and walk carefully.

29. NEVER handle broken glass with your bare hands! Use a brush & dustpan to clean up broken glass. Place broken glassware in the designated glass disposal container.

35. Exercise extreme caution when using a gas burner. Take care that hair, clothing, and hands are a safe distance from the flame at all times. Do not put any substance into the flame unless specifically instructed to do so. Never reach over an exposed flame.

36. NEVER leave a lit burner unattended! Always turn the burner off or hot plate off when not in use.

37. Do not point the open end of a test tube being heated at yourself or anyone else.

38. NEVER look into a container that is being heated!

39. Do not place hot apparatus directly on the lab desk. Always use an insulating pad. Allow plenty of time to cool before touching it.

35.

30. When removing an electrical plug from its socket, grasp the plug, not the electrical cord. Hands must be completely dry before touching an electrical switch, plug, or outlet.

31. Examine glassware before each use. Never use chipped or cracked glassware. Never use dirty glassware.

32. Report ALL damaged equipment or glassware to your instructor.

33. If you do not understand how to use a piece of equipment, ask the instructor for help.

34. Do NOT immerse hot glassware in cold water; it may shatter.