lab safety
Conduct yourself in a responsible manner at all times in the laboratory.
Follow all written and verbal instructions carefully. If you do not understand a direction or part of a procedure, ask the instructor before proceeding.
3. Never work alone. No student may work in the laboratory without an instructor present.
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.
Do not eat food, drink beverages, or chew gum in the laboratory. Do not use laboratory glassware as containers for food or beverages.
• Perform only those experiments authorized by the instructor. Never do anything in the laboratory that is not called for in the laboratory procedures or by your instructor. Carefully follow all instruc-tions, both written and oral. Unauthorized experiments are prohibited.
7. Be prepared for your work in the labo-ratory. Read all procedures thoroughly before entering the laboratory.
)Never fool around in the laboratory.
Horseplay, practical jokes, and pranks are dangerous and prohibited.
9. Observe good housekeeping practices.
Work areas should be kept clean and tidy at all times. Bring only your laboratory instructions, worksheets, and/or reports to the work area. Other materials (books, purses, backpacks, etc.) should be stored in the classroom area.
I0. Keep aisles clear. Push your chair under
the desk when not in use.
11 Know the locations and operating proce-dures, where appropriate, for all safety equipment including first aid kit, eyewash station, safety shower, fire extin-guisher, and fire blanket. Know where the fire alarm and exits are located.
Be alert and proceed with caution at all times in the laboratory. Notify the instructor immediately of any unsafe conditions you observe.
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Seep hands away from face, eyes, mouth and body while using chemicals or preserved specimens. Wash your hands with soap and water after performing all experiments. Clean all work surfaces and apparatus at the end of the experi-ment. Return all equipment clean and in working order to the proper storage area.
Experiments must be personally monitored at all times. You will be assigned a laboratory station at which to work.
Do not wander around the room, distract other students, or interfere with the laboratory experiments of others.
Know what to do if there is a fire drill during a laboratory period; containers must be closed, gas valves turned off, fume hoods tumed off, and any electrical equipment turned off
Handle all living organisms used in a laboratory activity in a humane manner.
Preserved biological materials are to be treated with respect and disposed of properly
When using knives and other sharp instruments, always carry with tips and points pointing down and away. Always cut away from your body. Never try to catch falling sharp instruments. Grasp sharp instruments only by the handles.
Any time chemicals, heat, or glassware are used, students will wear laboratory goggles. There will be no exceptions to this rule!
Dress properly for lab activities. Long hair, dangling jewelry, and loose or baggy clothing are hazardous. Long hair must be tied back and dangling jewelry and loose or baggy clothing must be secured. Shoes must completely cover the foot. No sandals allowed.
Report any accident (spill, breakage, etc.) or injury (cut, burn, etc.) to the instructor immediately, no matter how trivial it may appear.
If a chemical splashes in your eye(s) or en your skin, immediately flush with running water from the eyewash station or safety shower for at least 20 minutes.
Notify the instructor immediately.
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 wafting chemical vapors will be demonstrated to you
Carry glass tubing, especially long pieces, in a vertical position to minimize the likelihood of breakage and injury.
Never handle broken glass with your bare hands. Use a brush and dustpan to clean up broken glass. Place broken or waste glassware in the designated glass disposal container
Examine glassware before each use.
Never use chipped or cracked glassware.
Never use dirty glassware.
Report damaged electrical equipment immediately. look for things such as frayed cords, exposed wires, and loose connections. do not use damaged electrical equipment
Never leave a lit burner unattended.
Never leave anything that is being heated or is visibly reacting unattended. Always turn the burner or hot plate off when not in use.
Never look into a container that is being heated.