Laboratory Safety Do's and Don'ts

Laboratory Conduct Do's and Don'ts

• Avoid practical jokes or loud behavior to maintain a safe environment.
• Never run; walking is essential to prevent accidents.
• Eating and drinking strictly prohibited to avoid contamination.
• Personal audio or video equipment must not be used in the lab.
• Unauthorized experiments are forbidden to ensure safety.
• Avoid sitting on lab benches or tables to maintain cleanliness.

General Work Procedures

• Be knowledgeable about emergency procedures and exits at all times.
• Always work under the supervision of a teacher in the lab.
• Follow teacher's instructions precisely for all experiments.
• Report spills, accidents, or injuries to a teacher immediately.
• Never leave experiments unattended while in progress.
• Handle hot glassware with caution; it may look like cold glass.
• Do not point test tubes at yourself or others while experimenting.
• Use pipetting devices instead of mouth suction for safety.
• Keep flammable solvents away when using flames.
• Never leave lit Bunsen burners unattended; turn off when finished.
• Ensure all heating apparatus, gas valves, and water faucets are off when not in use.
• Do not remove equipment or chemicals from the laboratory.
• Store personal items in designated areas; do not clutter bench tops.

Housekeeping

• Maintain a neat workspace free of unnecessary objects.
• Clean your work area thoroughly after each session.
• Ensure sink drains are clear; avoid blocking with debris.
• Do not obstruct exits or emergency equipment.
• Inspect equipment for damage before use; damaged items should not be used.
• Dispose of chemical waste in labeled containers only; do not pour down sinks.
• Immediately dispose of broken glassware and sharp objects in designated containers.

Apparel in the Laboratory

• Wear appropriate eye protection, such as chemical splash goggles.
• Use disposable gloves when handling hazardous materials; remove them before leaving.
• A long-sleeved laboratory coat or chemical-resistant apron is essential.
• Choose footwear that covers the entire foot; avoid sandals and high heels.
• Long pants are preferred; avoid shorts or short skirts for safety.
• Secure long hair and loose clothing to prevent entanglement.
• Contact lenses are not safe in fume-heavy environments.
• Remove dangling jewelry for safety; avoid synthetic fingernails due to flammability.

Hygiene Practices

• Keep hands away from face and body while handling chemicals.
• No food or drink allowed in the laboratory to minimize contamination risk.
• Avoid using lab glassware for food or drinks.
• Do not apply cosmetics in the laboratory or storage area.
• Always wash hands after removing gloves and before exiting the lab.
• Remove all protective gear before leaving the laboratory.

Emergency Procedures

• Familiarize yourself with all exits in the laboratory and building.
• Know the location of emergency phones and equipment.
• Be trained in using fire extinguishers, alarm systems, and eye wash stations.
• In emergencies, follow the established plan provided by the teacher and evacuate via the nearest exit.

Chemical Handling

• Verify the substance by checking the label before use.
• Properly label all reagents, including name and date of preparation, to avoid confusion.