QUESTION 1
You are a newly recruited safety officer in a medium sized company involved in the manufacturing of detergents. Your first assignment is to recommend to management measures (both long and short term) that can be undertaken to improve the working environment. After a first visit to the factory, the following salient observations were made:
- The factory has 3 units namely Blending, Conditioning and Packing and all the 3 units are found on an open floor adjacent to each other.
- A slight odour of chemicals is noted throughout the factory
- Employees are not provided with any personal protective equipment
- Ventilation within the factory is through ceiling fans
(a) Describe in order of priority, the control measures that can be recommended to management for improving the working environment
(b) With reference to the above factory, discuss on the two types of monitoring that can be carried out in the working environment as part of a monitoring strategy
QUESTION 2
(a) Briefly describe the possible health effects of noise
(b) Further to a recent inspection by the Occupational Safety & Health Inspectorate in a textile factory, the latter informed management on the probable overexposure to noise. The first reaction of management was to request that ear protective devices be worn by all employees.
As a safety officer in this factory how would you evaluate the noise problem at the factory and what control measures would you consider before you recommend the supply of hearing protection to personnel exposed to high intensity noise?
QUESTION 3
(a) Outline the health effects associated with ionizing radiations
(b) Describe the different measuring instruments available for measuring and monitoring ionizing radiation in a working environment
(c) Describe the different approaches for controlling exposure to ionizing radiation