2.2.3. Natural Organic Matter (NOM)

Try these first

1. 1.

   What does NOM stand for?

   Hint

   Think about the components of organic materials.

2. 2.

   What does BOD measure?

   Hint

   Focus on the process of degradation.

3. 3.

   What does NOM refer to?

   • Natural Organic Matter
   • Non-organic Minerals
   • Organic Pollutants

   Hint

   Remember the components of water quality.

4. 4.

   True or False: BOD measures only biodegradable organic matter.

   • True
   • False

   Hint

   Think about the definition of biodegradable.

5. 5.

   Assume a river shows a rapid increase in BOD levels over a few weeks. What factors could contribute to this, and how might it affect local aquatic life?

   Hint

   Consider human activities impacting waterways.

6. 6.

   You are tasked with monitoring a lake with changing COD levels. If the COD shows a significant rise, what steps would you take to identify the pollution source?

   Hint

   Focus on the regions surrounding the water source.