2.3. Sources of Hazardous Materials

Try these first

1. 1.

   Define hazardous materials.

   Hint

   Think about what makes materials hazardous.

2. 2.

   List the three exposure pathways.

   Hint

   Recall the 'I-I-D' acronym.

3. 3.

   What are hazardous materials?

   • Substances that are safe to humans
   • Substances that can harm health
   • Substances that are always found in nature

   Hint

   Remember the definition of hazardous materials.

4. 4.

   Inhalation is one of the exposure pathways. True or False?

   • True
   • False

   Hint

   Consider the ways we come into contact with harmful substances.

5. 5.

   Consider an industrial plant releasing waste into a river. What steps can be taken to assess its impact on local health and environment?

   Hint

   Break down the process into monitoring, impact evaluation, and remediation.

6. 6.

   Analyze how urbanization might complicate the monitoring of hazardous materials. What strategies could mitigate these challenges?

   Hint

   Think about what makes cities different from rural areas in terms of pollution.