MNO2608 Assignment 4 (DETAILED ANSWERS) Semester 2 2024 - DISTINCTION GUARANTEED

MNO2608 Assignment 4 (DETAILED ANSWERS) Semester 2 2024 - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED Answers, guidelines, workings and references ... QUESTION 1 [25] 1.1. An Approved Inspection Authority (AIA) conducts investigations using specialised knowledge and equipment. Advise the occupational hygienists of platinum refineries on criteria for evaluating AIA applications by the Department of Employment and Labour. (15) 1.2. Occupational hygiene risk assessment (OHRA) is a systematic method used to identify, assess, and manage workplace hazards that could impact the health and well-being of workers. What specific factors must be recorded when undertaking an OHRA in a chemical manufacturing industry? (5) 1.3. An occupational disease is a health condition or disorder from exposure to risk factors linked to a specific job or work environment. Explain the procedure to follow when reporting an occupational disease. (5) QUESTION 2 [15] 2.1 The Wet Bulb Globe Temperature (WBGT) index is a temperature-based tool used to estimate the impact of various factors on human health, especially in an occupational environment. An employee working in an outdoor environment is exposed to a WBGT index of 32.4°C. Advise on the recommended actions or precautions the employee should take to ensure their health and safety. (5) MNO2608 – ASSESSMENT 4 (WRITTEN) 7 2.2 Occupational noise exposure a significant concern in various industries, that can lead to hearing loss and other adverse health effects due to prolonged or intense noise exposure. As an inspector for the Department of Employment and Labour, what advice would you give to the occupational hygiene technologist of a construction company about the health risks associated with employee exposure to noise levels above 85 dBA for an eight hour period at a construction site? (5) 2.3 Explain the three principles that toxicology is based upon and how it has an effect in the workplace. (5) QUESTION 3 [18] 3.1 Respirable crystalline silica (RCS) exposure is prevalent in various industries, including mining. Explain the possible routes of exposure to RCS in a platinum mine. (6) 3.2 Discuss the control measures that can be implemented to control exposure to respirable platinum dust. (12) QUESTION 4 [17] 4.1 In 2008, the use, manufacture, and processing of asbestos materials were effectively banned in South Africa. Describe the types of asbestos fibers and MNO2608 – ASSESSMENT 4 (WRITTEN) 8 outline the health risks associated with exposure to asbestos materials in manufacturing motor vehicle brake pads. (10) 4.2. As a project manager, advise the asbestos removal contractor on the requirement of disposal of asbestos material from the house roof.