Question 1:
What are the heat-induced disorders that may result from excessive exposure to a hot working environment? How can we alleviate such health problems?
Question 2:
Describe the basic procedures that an Industrial Hygienist must follow to ensure valid dust sampling in a workplace. What additional component must be connected to the sampling pump to collect respirable dust?
Question 3:
a) Workplace Exposure Limits (WEL) are used by Industrial Hygienists as guidelines to safeguard employees from hazardous substances at work. Describe briefly the different types of such hygiene standards.
b) Outline the limitations of these workplace exposure limits and illustrate how they may be used as part of an overall control strategy for hazardous substances.