Illustrate out the main articles contained in International Labour Organisation Convention No. C162 on Asbestos (1986). Describe the benefits of having such a standard in prevention of chemical hazards at the workplace.
Illustrate out the factors which must be taken in account when devising the sampling strategy for biological monitoring.
Biological monitoring complements environmental monitoring in control of toxic substances at the workplace. What are the merits and limitations of the employ of biological monitoring methods applied to the measurement of occupational chemical exposure in comparison with environmental monitoring techniques?
What do you understand by the phrase “substance hazardous to health” as prescribed under the Occupational Safety and Health Act 2005? Illustrate the measures which can be taken by an employer when an employee uses any substances hazardous to health throughout the course of his work.
Provide a detailed account of the various techniques of sampling for gases and vapours in working environment. Point out the advantages and drawbacks with the use of each technique.