Competency 1.a. Lab Safety Rules andLab Symbols
Why have safety rules in the lab? • To avoid accidents and injury. • The rules alert you potential hazards like dangerous chemicals or open flames. • To maintain experimental accuracy and reliability. • Keeping lab stations clean helps ensure that the experiment stays accurate and doesn’t get contaminated.
Safety Rules: • Read ALL lab instructions thoroughly before beginning the lab. • Know the location of safety equipment (eye wash station, safety shower, etc.). • Tie back long hair. • No loose-fitting clothing and hanging jewelry. Wear closed-toed shoes and long pants. • Report any accidents to the teacher immediately!
Safety Rules: • No food, drink, or gum in lab. • No applying makeup in lab. • Keep work station neat and clean. • Wear goggles as directed. • Contact lenses are prohibited. Bring your glasses instead. • Take care using sharp instruments. • Never cut objects while holding them in your hands.
Safety Rules: • Never taste or smell any chemical. • Never mix chemicals without express instruction. • Keep your hands away from face/mouth during lab. • Always wash your hands prior to leaving the lab. • NO horseplay in the lab.
Lab Contract: • A contract is an agreement. • By signing this contract, you agree obey all lab rules and procedures. • If you break any of the lab rules, you will be dismissed from the lab, given a zero for the assignment, and face potential disciplinary action depending on the offense. • Keep your signed lab contract in the first section of your notebook behind your syllabus.
Lab Symbols Competency 1.a
Disposal Alert This symbol appears when care must be taken to dispose of the materials properly.
Biological Hazard (Biohazard) This symbol appears when there is a danger involving bacteria, fungi, or protists (living things).
Open Flame Alert This symbols appears when an open flame could cause a fire or an explosion.
Thermal Safety This symbol appears as a reminder to use caution when handling hot objects.
Sharp Object Safety This symbol appears when a danger of cuts or punctures caused by the use of sharp objects exists.
Fume Safety This symbol appears when chemicals or chemical reactions could cause dangerous fumes. The proper procedure for smelling chemicals is WAFTING!
Electrical Safety This symbol appears when care should be taken using electrical equipment.
Plant Safety This symbol appears when poisonous plants or plants with thorns are handled.
Animal Safety This symbols appears when live animals are studied and the safety of both the animals and the students must be ensured.
Radioactive Safety This symbol appears when radioactive materials are used.
Clothing Protection Safety This symbol appears when substances could stain or burn clothing.
Explosion Safety This symbol appears when misuse of chemicals could cause an explosion.
Eye Safety This symbol appears when a danger exists to the eyes. Safety goggles should be worn when this symbol appears.
Poison Safety This symbol appears when poisonous substances are used.
Chemical Safety This symbol appears when chemicals used can cause burns or are poisonous if absorbed through the skin. Gloves should be worn when this symbol appears.