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Editable PowerPoint Slides for Lecturers
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Transcript of Editable PowerPoint Slides for Lecturers
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Editable PowerPoint
Slides for Lecturers
By Phil Hughes MBE and Ed Ferrett
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Chemical and biological Health hazards and control
Chapter 14
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After reading this chapter you should be able to:
1. recognize the forms of, and classification of, substances hazardous to health2. explain the factors to be considered when undertaking a preliminary assessment of the health risks from substances commonly encountered in the workplace3. describe the use and limitations of workplace exposure limits including the purpose of long-term and short-term exposure limits4. distinguish between acute and chronic health effects5. outline control measures that should be used to reduce the risk of ill-health from exposure to hazardous substances6. outline the basic requirements related to disposal of waste and effluent (and the control of atmospheric pollution)
Chemical and biological Health hazards and control
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Figure 14.1 Existing European chemical symbols and the new GHS International symbols
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Figure 14.2 Hazardous substances – principal routes of entry into the human body
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Figure 14.3(a)(b) Upper and lower respiratory system
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Figure 14.4 The nervous system
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Figure 14.5 The cardiovascular system
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Figure 14.6 Parts of the urinary system
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Figure 14.7 The skin – main structures in the dermis
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Figure 14.14 Chemical storage in France which needs to comply with European standards
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Figure 14.9 Product labels and material safety data sheets
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Figure 14.10 Hand pump and stain detectors
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Figure 14.11 Common elements of a simple LEV system
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Figure 14.12 Natural ventilation in a building
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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
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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
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Figure 14.15 Variety of eye protection goggles
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Figure 14.16 Heavy industrial air pollution
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Figure 14.17(a) Water pollution from an oil spillage
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Figure 14.17(b) Water pollution from plastic waste and other solids
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Figure 14.18 Wastes collection
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Figure 14.19 Electronic waste from developed countries in Europe under WEEE