LAB GUIDELINES & APPARATUS

• As strengthened by the DepEd Order No. 48, s. 2006, the recognition and implementation of laboratory guidelines and safety protocols in science laboratories are vital.
• Unauthorized use of the laboratory is strictly prohibited.
• Never work in the laboratory without the supervision of a teacher. A class should secure an EXPERIMENTAL PROCEDURE PERMIT signed by the

  subject teacher before proceeding to the experiment proper. Failure to

  secure the permit means no experiment shall be conducted.
• Be mindful of emergency procedures and emergency exits.
• Always maintain cleanliness and orderliness in the laboratory.
• Workstations must be cleaned with diluted Lysol solution before and after the conduct of an experiment.
• Always keep the floor clear from objects (e.g., small objects, spilled liquids).
• Eating, drinking, smoking, applying cosmetics, and things alike are strictly prohibited in the laboratory.
• All accidents involving fire, injury, or property damage must be reported promptly to the supervising teacher.
• Always wash your hands properly before and after entering the room.
• Flammable materials

  
• Explosion risk

  
• Toxic

  
• Corrosive

  
• Danger overhead crane

  
• Fork lift trucks

  
• High voltage

  
• General warning

  
• Laser Radiation

  
• Biohazard

  
• Oxidising

  
• Hot surface

  
• Danger of entrapment

  
• Danger of death

  
• Irritant

  
• Slippery floor

  
• Watch your step

  
• Cutting

  
• High temperatures

  
• Glass hazard

  
• Danger of suffocation

  
• Gas bottles

  
• Watch for falling objects

  
• Electricity

  
• Danger for cutter

  
• Entrapment hazard

  
• Battery hazard

  
• Rotating parts

  
• Low temperature

  
• Strong magnetic field