Lab Safety Symbols Glassware safety Check the condition of glassware before and after using it. Inform your teacher of any broken, chipped, or.

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Presentation transcript:

Lab Safety Symbols

Glassware safety

Check the condition of glassware before and after using it. Inform your teacher of any broken, chipped, or cracked glassware because it should not be used. Do not pick up broken glass with your bare hands. Place broken glass in a specifically designated disposal container.

Proper waste disposal

Clean and decontaminate all work surfaces as directed by your instructor. Clean and decontaminate protective equipment as directed by your instructor. Return all borrowed supplies to materials table. Dispose broken glass, contaminated sharp objects, and contaminated materials (biological and chemical) in special containers as directed by your instructor.

Eyeware Safety

Wear safety goggles when working around chemicals, acids, bases, flames, or heating devices. Contents under pressure may become projectiles and may cause serious injury. Never look directly at the sun through any optical device or use direct sunlight to illuminate a microscope. If any substance gets in your eyes, notify your instructor immediately and flush your eyes with running water for at least 15 minutes.

Clothing protection

Secure loose clothing and remove dangling jewelry. Wear an apron or lab coat to protect your clothing when working with chemicals. If a spill gets on your clothing, rinse it immediately with water for at least five minutes while notifying your instructor.

Sharp object safety

Be extremely careful when using knives and other sharp instruments. Place objects on a suitable work surface for cutting, never cut towards your hand or body. Never use a double-edged razor in the lab.

Electrical safety

Do not place electrical cords in walking areas. Do not let cords hang over a table edge such that equipment will fall if the cord is pulled. Do not use equipment that has damaged cords. Be sure that the power switch for a piece of equipment is in the off position before plugging the equipment in. Never use an electrical appliance when you are near water or when your hands are wet. Be sure to turn off and unplug electrical equipment when you are finished using it.

Heating safety

Avoid wearing hair spray or hair gel on lab days. Whenever possible, use an electric hot place as a heat source instead of using an open flame. When heating materials in a test tube, always angle the test tube away from yourself and others. Make sure that glass containers used for heating are made of heat-resistant glass. Know your school’s fire-evacuation routes.

Chemical safety

Always use caution when working with chemicals. Never mix chemical unless specifically directed to do so. Never taste, touch, or smell chemicals unless specifically directed to do so. Never returned unused chemicals to the original container. Follow instructions for proper disposal.

Appropriate behavior, technique or activities.