1. Introduction

Try these first

1. 1.

   Define exposure pathways.

   Hint

   Think about how we come in contact with harmful substances.

2. 2.

   What are hazardous materials?

   Hint

   Consider materials that can cause harm.

3. 3.

   What are the three main exposure pathways?

   • A. Inhalation
   • Ingestion
   • Dermal contact
   • B. Ingestion
   • Absorption
   • Evaporation
   • C. None of the above

   Hint

   Remember the acronym 'I-I-D'.

4. 4.

   True or False: Pollutants can undergo transformation during their transport in the environment.

   • True
   • False

   Hint

   Consider what might happen when a pollutant interacts with other substances.

5. 5.

   You are in charge of monitoring a river that receives discharge from a manufacturing facility. What strategies would you employ to assess the pollutants and their potential health risks?

   Hint

   Consider both chemical testing and community involvement.

6. 6.

   Evaluate a case where a new industrial process has reduced emissions but new hazardous substances are being detected downstream. How would you address this situation?

   Hint

   Assess not just the quantity but the types of pollutants.