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TECH SIGNAT lll:l �� = ' • rte-_' +� r ��/�11 OSHA Training Toolbox Talk. Hazard Communication-Chernir_al ilazard__and Effects Jnr/rrPn!c 1910 1200)/1976 591 OSHA's hazard communication standard, also known as the "employee right-to-knov/• standard, is designed to help protect workers from the hazards of exposures to harmful chemicals.An important section of that standard is a requirement that employees be informed about the chemical effects associated with the hazardous products we use at work However,you may not have heard of many of the terms that appear on some product labels and material safety data sheets to describe chemical hazards&effects,or the terms may not have been adequately defined.So here are some simple explanations of a few key terms: • Toxic-Over-exposure to a toxic chemical can have a poisonous effect on a person, attacking their total body,or particular organs(example:prolonged exposure to arsenic is toxic to kidneys, lungs,the nervous system,and mucous membranes). • Carcinogen-The chemical is believed to cause cancer when over-exposure occurs. • Irritant-The chemical causes a reversible inflammatory effect(such as dermatitis)on living tissue(such as skin,mucous membranes,or lungs)at the site of contact. • Corrosive-The chemical causes visible destruction of,or visible alterations in, living tissue at the site of contact(example:battery acid is corrosive,will"burn"the skin). an c reactionin tissue • Sensitizer-The chemical causes many people used inthe manufactureugf`acture some paints repeated exposures(example:isocyanates and foam products are a sensitizer). • Acute Effects—the effects of over-exposure to d a ea�tic articular of short durationhemical usually ,rapidly,as a result of short-term exposure, an yp • Chronic Effects—the effects of over-exposure to a partinulaar chemical generally occur as the result of long-term exposure,and are typically of long • Flammable Liquid—A liquid that emits enough vapors to catch ample ain olive urn as a relatively low temperatures (below 100 degrees Fahrenheit) flammable liquid). degrees Fahrenheit or higher • Combustible Liquid—A liquid that must be hen EX mplediesel is a combustible liquid. to emit enough vapors to catch on fire and bur ar used to describe health These are very simple explanations of just some of the termsntainer label and MSDS for any product and physical hazards.So take the time to review the co that you are working with. Any question or comment about these terms used to describe chemical hazards and effects? Please be sure to sign-in on the training certification form. Free EoQWK toy p cou�Y of"r''""�oshl' rrain+n .rvrn, Copyright2012. Not to he sold,nor displayed on ony other commercial website. Scanned by CarnScanner