BIOHAZARD www.newpathlearning.com © Copyright NewPath Learning. All Rights Reserved. 94-4623 Safety in the Lab protective gloves heat-protective gloves poor lab practices lab coat safety goggles Tie hair back. The following minimum conditions or practices must be observed in the laboratory. General Precautions • Never work in the lab without supervision of a teacher. • Follow all instructions precisely as directed by the teacher. • Do not fool around in the lab. • Never eat or drink in the laboratory. • Keep your work area clean and organized. • Report any accidents or injuries to your teacher immediately. Laboratory Dress Code • Wear safety goggles. • Wear a lab apron or coat. • Wear protective gloves. • Tie back long hair and loose clothing. • Roll up your sleeves. • Remove jewelry that hangs down and could touch chemicals or equipment. • Always wear closed-toed shoes. Using Chemicals Safely • Always wear appropriate personal protective equipment as directed by your teacher. • Check labels to verify a substance before using it. • Never touch, taste or smell a chemical unless directed by a teacher. • Pour all chemicals over a sink or a container in case of spillage. • When diluting an acid, NEVER pour water into the acid. • Keep all chemical containers closed when not in use. • Rinse any chemicals off your skin or clothing with plenty of water. • Dispose of excess chemicals as directed by your teacher. Heat and Fire Safety • Always use heat-protective gloves or mittens to handle hot containers. • Make sure you know how to properly light a Bunsen burner. • Keep combustible materials away from flames. • Never reach across a flame. • Never point a test tube that is being heated toward anyone. • Do not heat any liquids in a closed container. • Know where the fire extinguisher is located. Using Glassware Safely • Never use broken or chipped glassware. • Never force glass tubing or a thermometer into a rubber stopper. • Use a wire or ceramic screen when heating glassware over a Bunsen burner. • Discard all sharps in an appropriate sturdy container. End-of-Experiment • Unplug all electrical equipment. • Dispose of waste materials as directed by your teacher. • Clean up your work area. • Wash your hands at the end of any lab work. wire screen Don’t force. Never use broken glass!
_______________________________________ _______________________________________ _______________________________________ _____________________________________ _________________________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ ____________________ _______________________ _______________________ _______________________ _______________________ ____________________ ____________________ _______________________________ _______________________________ _______________________________ _______________________________ ____________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ _______________________________ ____________________________ _______________ _______________ _______________ _______________ _______________ _______________ \|xiBAHBDy01817pzY BIOHAZARD www.newpathlearning.com © Copyright NewPath Learning. All Rights Reserved. 94-4623 The following minimum conditions or practices must be observed in the laboratory. General Precautions Laboratory Dress Code Using Chemicals Safely Heat and Fire Safety Using Glassware Safely End-of-Experiment Safety in the Lab