Table of Contents
What are the safety precautions in the laboratory?
Shoes must be worn in lab. 3. If you have very long hair, please tie it back in the laboratory. 4. Handle chemicals, reagents, and stains carefully and follow all warnings. All bottles and containers are labeled as to contents and potential hazards.
What should you never do in a laboratory?
Tie back long hair, jewelry, or anything that may catch in equipment. Never eat food, drink beverages, chew gum, apply cosmetics (including lip balm), or handle contact lenses in the laboratory. Use a chemical fume hood or biosafety cabinet, as directed by your supervisor. Observe good housekeeping – keep aisles clear.
How to assess the risks of laboratory exposure?
Assessing Risks of Exposure to Toxic Laboratory Chemicals. Exposure to a harmful chemical results in local toxic effects, systemic toxic effects, or both. Local effects involve injury at the site of first contact; the eyes, the skin, the nose and lungs, and the digestive tract are typical sites of local reactions.
What are the rules for maintaining laboratory equipment?
All equipment should be regularly inspected for wear or deterioration. Equipment should be maintained according to the manufacturer’s requirements and records of certification, maintenance, or repairs should be maintained for the life of the equipment.
What are the precautions to take when doing science experiments?
Ensure that you have an adult around to supervise your experiment, a teacher or a parent or an older sibling who is responsible and can provide first aid and/or call for help if the need arises. Use an uncluttered and clean work area to do your experiment. Don’t try out your own experiments,…
What should you not do in a laboratory?
A big NO when inside the laboratory – eating, drinking, and chewing gums. Laboratory apparatus such as glassware should be used for laboratory activities alone. Do not use it as a food container. When using glass lab equipment, you should always check for any signs of chipping or the presence of cracks.
What do you mean by precautions to be taken?
Precautions refer to actions that can be taken by students to minimize effect on the result of experiment. 1. Avoid parallax error by placing eyes at measured level. Some common precautions depending on situation: