Lab safety rules

#1- general guidelines

1. Conduct yourself in a responsible manner at all times in the laboratory.

#2- general guidelines

2. Follow all written and verbal instructions carefully. If you do not understand a direction or part of a procedure, ASK YOUR TEACHER BEFORE PROCEEDING WITH THE ACTIVITY.

#3- general guidelines

3. Never work alone in the laboratory. No student may work in the science classroom without the presence of the teacher.

#4- general guidelines

4. When first entering a science room, do not touch any equipment, chemicals, or other materials in the laboratory area until you are instructed to do so.

#5- general guidelines

5. Perform only those experiments authorized by your teacher. Carefully follow all instructions, both written and oral Unauthorized experiments are not allowed.

#6- general guidelines

6. Do not eat food, drink beverages, or chew gum in the laboratory. Do not use laboratory glassware as containers for food or beverages.

#7- general guidelines

7. Be prepared for your work in the laboratory. Read all procedures thoroughly before entering the laboratory. Never fool around in the laboratory. Horseplay, practical jokes, and pranks are dangerous and prohibited.

#8- general guidelines

8. Always work in a well-ventilated area.

#9- general guidelines

Observe good housekeeping practices. Work areas should be and tidy at all times

#10- general guidelines

1. Be alert and proceed with caution at all times in the laboratory. Notify the teacher immediately of any unsafe conditions you observe.

#11- general guidelines

11. Dispose of all chemical waste properly. Never mix chemicals in sink drains. Sinks are to be used only for water.Check with your teacher for disposal of chemicals and solutions.

#12- general guidelines

#12 Labels and equipment instructions must be read carefully before use. Set up and use the equipment as directed by your teacher.

#13- general guidelines

13.Keep hands away from face, eyes, mouth, and body while using chemicals or lab equipment. Wash your hands with soap and water after performing all experiments.

#14- general guidelines

14. Experiments must be personally monitored at all times. Do not wander around the room, distract other students, startle other students or interfere with the laboratory experiments of others.

#15- general guidelines

15. Know the locations and operating procedures of all safety equipment including: first aid kit(s), and fire extinguisher. Know where the fire alarm and the exits are located.

#16- general guidelines

16. Know what to do if there is a fire drill during a laboratory period; containers must be closed, and any electrical equipment turned off.

#17- general guidelines

17. Any time chemicals, heat, or glassware are used, students will wear safety goggles. NO EXCEPTIONS TO THIS RULE!

#18- general guidelines

18. Contact lenses may be not be worn in the laboratory.

#19- general guidelines

19. Dress properly during a laboratory activity. Long hair, dangling jewelry, and loose or baggy clothing are a hazard in the laboratory. Long hair must be tied back, and dangling jewelry and baggy clothing must be secured. Shoes must completely cover the foot. No sandals allowed on lab days.

#20- general guidelines

20. A lab coat or smock should be worn during laboratory experiments.

#21- accidents and injuries

21. Report any accident (spill, breakage, etc.) or injury (cut, burn, etc.) to the teacher immediately, no matter how trivial it seems. Do not panic.

#22- accidents and injuries

22. If you or your lab partner is hurt, immediately (and loudly) yell out the teachers name to get the teacher's attention. Do not panic.

#23- accidents and injuries

23. If a chemical should splash in your eye(s) or on your skin, immediately flush with running water for at least 20 minutes. Immediately (and loudly) yell out the teacher's name to get the teacher's attention.

#24- handling chemicals

24. All chemicals in the laboratory are to be considered dangerous.Avoid handling chemicals with fingers. Always use tweezers. When making an observation, keep at least 1 foot away from the specimen. Do not taste, or smell any chemicals.

#25- handling chemicals

25. Check the label on all chemical bottles twice before removing any of the contents. Take only as much chemical you need.

#26- handling chemicals

26. Never return unused chemicals to their original container.

#27- handling chemicals

27. Never remove chemicals or other materials from the laboratory area.

#28- HANDLING GLASSWARE AND EQUIPMENT

28. Never handle broken glass with your bare hands. Use a brush and dustpan to clean up broken glass.Place broken glass in the designated glass disposal container.

#29- HANDLING GLASSWARE AND EQUIPMENT

29. Examine glassware before each use. Never use chipped, cracked, or dirty glassware.

#30- HANDLING GLASSWARE AND EQUIPMENT

#30 If you do not understand how to use a piece of equipment, ASK THE TEACHER FOR HELP!

#31- HANDLING GLASSWARE AND EQUIPMENT

31. Do not immerse hot glassware in cold water. The glassware may shatter.

#32- HANDLING GLASSWARE AND EQUIPMENT

32. Do not operate a hot plate by yourself. Take care of that hair, clothing, and hands are a safe distance from the hot plate at all times. Use of is allowed in the presence of the teacher.

#33- HANDLING GLASSWARE AND EQUIPMENT

34. Heated glassware remain very hot Tor a long time. They should be set aside in a designated place to cool, and picked up with caution. Use tongs or heat protective gloves if necessary.

#34- HANDLING GLASSWARE AND EQUIPMENT

34. Never look into a container that Is being heated.

#35- HANDLING GLASSWARE AND EQUIPMENT

35. Do not place hot apparatus directly on the laboratory desk. Always use an insulated pad. Allow plenty of time for hot apparatus to cool before touching