1. EditablePowerPoint Slides for Lecturers By Phil Hughes MBE and Ed Ferrett By Phil Hughes MBE and Ed Ferrett

2. Chemical and biological Health hazards and control C hapter 14

3. After reading this chapter you should be able to: 1.recognize the forms of, and classification of, substances hazardous to health 2. explain the factors to be considered when undertaking a preliminary assessment of the health risks from substances commonly encountered in the workplace 3. describe the use and limitations of workplace exposure limits including the purpose of long-term and short-term exposure limits 4. distinguish between acute and chronic health effects 5.outline control measures that should be used to reduce the risk of ill-health from exposure to hazardous substances 6.outline the basic requirements related to disposal of waste and effluent (and the control of atmospheric pollution) Chemical and biological Health hazards and control

4. Figure 14.1 Existing European chemical symbols and the new GHS International symbols

5. Figure 14.2 Hazardous substances – principal routes of entry into the human body

6. Figure 14.3(a)(b) Upper and lower respiratory system

7. Figure 14.4 The nervous system

8. Figure 14.5 The cardiovascular system

9. Figure 14.6 Parts of the urinary system

10. Figure 14.7 The skin – main structures in the dermis

11. Figure 14.14 Chemical storage in France which needs to comply with European standards

12. Figure 14.9 Product labels and material safety data sheets

13. Figure 14.10 Hand pump and stain detectors

14. Figure 14.11 Common elements of a simple LEV system

15. Figure 14.12 Natural ventilation in a building

16. The principal requirements of PPE are as follows: PPE which is suitable for the wearer and the task Compatibility and effectiveness of the use of multiple PPE A risk assessment to determine the need and suitability of proposed PPE A suitable maintenance programme for the PPE Suitable accommodation for the storage of the PPE when not in use Information, instruction and training for the user of PPE The supervision of the use of personal protective equipment by employees and a reporting system for defects Figure 14.13 Personal Protective Equipment at Work

17. Figure 14.14 Types of Respiratory protective equipment Compressed air line breathing apparatus with full-face mask fitted with demand valve Filtering half mask Half mask re-usable with filters

18. Figure 14.15 Variety of eye protection goggles

19. Figure 14.16 Heavy industrial air pollution

20. Figure 14.17(a) Water pollution from an oil spillage

21. Figure 14.17(b) Water pollution from plastic waste and other solids

22. Figure 14.18 Wastes collection

23. Figure 14.19 Electronic waste from developed countries in Europe under WEEE