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�, I .. - 0 0 <br />National Toxicology Program (NTP), the International Agency for Research on Cancer (IARC <br />and OSHA to be carcinogenic will be considered hazardous. <br />Under the hazard determination guidelines, evaluations are made for single chemicals, <br />tested mixtures and untested mixtures. Evaluation for criteria for each group is essentially the <br />same, i.e., they are categorized into PHYSICAL and HEALTH hazards. <br />PHYSICAL hazards include: <br />I. <br />Explosive <br />6. <br />Oxidizer <br />2. <br />Flammable <br />7. <br />Pyrophoric <br />3. <br />Combustible Liquid <br />8. <br />Unstable (reactive) _ <br />4. <br />Compressed Gas <br />9. <br />Water Reactive <br />5. <br />Organic Peroxide <br />HEALTH hazards include: <br />1. <br />Carcinogen <br />4. <br />Irritant <br />2. <br />Corrosive <br />5. <br />Sensitizer <br />3. <br />Toxic <br />6. <br />Target organ effects <br />A "hazardous chemical" is any chemical, <br />which is a physical and/or health hazard. <br />4.31 MATERIAL SAFETY DATA SHEETS <br />The hazard communication regulation requires that a Material Safety Data Sheet (MSDS) <br />be available on all hazardous chemicals in the work place <br />4.31.1 Labels and Other Forms of Warning <br />Labels may be any written, printed, or graphic materials displayed on and affixed to <br />containers of hazardous chemicals. Labels must be legible, in English and prominently <br />displayed. <br />40 <br />