Tahand RRC INTERNATIONAL RRC INTERNATIONAL Element 7: Chemical and Biological Agents 1. State the physical forms of chemicals which may exist in the workplace. 2. Identify the five main health hazard classifications of chemicals. 3. Distinguish briefly between acute and chronic ill-health effects. 4. Identify the routes of entry of chemical and biological agents into the body. 5. What information is generally provided on the label of a substance which has been classified as dangerous? 6. What is the purpose of safety data sheets? 7. Define the term 'workplace exposure limit'. 8. Give two of the limitations of WELS. RRC International