Chemical Handling
Science, Grade 5
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Notify your teacher of spills and clean up promptly. Wear appropriate protective equipment. www.newpathlearning.com © Copyright NewPath Learning. All Rights Reserved. 94-4626 Chemical Handling BIOHAZARD • Wear appropriate personal protective equipment before handling chemicals. • Organize stored chemicals by compatibility. Store incompatible chemicals separately. • Review the MSDS and labels for hazards associated with the substance before using it. • Be sure to use the correct chemical required for the experiment. Read the label twice. • Label containers before you transfer any chemicals. Be sure to include the name of the chemical, concentration, hazard, date and your initials. • Always use a clean spatula to remove a solid substance from a container. Never use a metal spatula when working with peroxides. Metals will decompose explosively with peroxides. • Do not touch any chemical with your bare hands. • Do not taste or smell any chemicals. • Hold containers away from the body when transferring a chemical or solution from one container to another. • Keep combustible substances away from open flames. • Always add acid to water slowly. NEVER add water to an acid. • Weigh out or remove only the amount of chemical you will need. Never return a chemical to the original container once it has been removed. • Never mix or use any chemicals that are not authorized by your teacher. • Use the laboratory chemical hood, if available, when there is a possibility of release of toxic chemical vapors, dust or gases. • Notify your teacher of any chemical spills. Clean up all spills properly and promptly as instructed by the teacher. • Dispose of chemicals as instructed by the teacher. • Use good housekeeping practices. Keep your work area clean and uncluttered. • When transporting chemicals of 250mL or more, place the immediate container in a secondary carrying container, large enough to hold the entire volume of the chemical in case of a spill. • Never handle bottles that are wet or may be too heavy for you. • Always wash hands with soap and water after completing a laboratory activity.
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