Problem 16
Name two types of organic contaminants found in groundwater, and give two examples of each type.
Problem 18
Define the term plume and describe how it forms in an aquifer.
Problem 19
Why are the \(B T X\) and MTBE components of gasoline the ones that are most often found in groundwater? Are both components easily biodegraded?
Problem 20
What is meant by reductive degradation? Describe the in situ technique by which chloroorganics in aquifers can be destroyed by reductive dechlorination.
Problem 22
List five possible water purification processes that are associated with the tertiary treatment of wastewater, including one that removes phosphate ion.
Problem 28
Describe two photocatalytic methods that can destroy organic wastes.
Problem 29
What is direct chemical oxidation? What are two of the strong oxidizing agents that can be used for such procedures?
