Section I

1.If incineration can be effective for destroying contaminants, why isn’t it used more often? What other similar technique could be used in its place and explain why?

2.What kind of treatment technology is often used with carbon adsorption to remove contamination from groundwater?

3.When there is VOC contamination in the groundwater, what technology would be useful to use with air sparging?

4.When can thermal enhancement of technologies be effective?

Section II

1.What is the advantage many chemical treatments have?

2.What is a common method for removing hexavalent chromium from a liquid waste?

3.How does Reverse Osmosis differ from osmosis?

4.What chemical and physical treatments can be used together to reduce a contaminant and give an example?