Problem 16
What is meant by a soil's reserve acidity? How does it arise?
Problem 17
Describe several methods, including chemical equations, by which soils that are too acid or too alkaline can be treated.
Problem 18
Describe the processes by which soil in arid areas becomes salty and alkaline.
Problem 19
What do the terms sediments and pore water mean?
Problem 21
How can mercury stored in sediments become solubilized and enter the food chain?
Problem 22
Describe how mine tailings are usually stored and how this represents a potential environmental problem.
Problem 24
Describe two ways by which contaminated sediments can be treated without removing the sediments themselves.
Problem 25
List the three categories of technologies commonly used to remediate contaminated soils. Give examples of each.
Problem 28
Define phytoremediation and list the three mechanisms by which it can operate. What are hyperaccumulators?
Problem 31
Name and describe the three common types of incinerators used to destroy hazardous waste. What does DRE stand for and how is it defined?
