R. Allan Freeze

R. Allan Freeze maintains in the following viewpoint that scientists currently lack the expertise to contain or remove the source of contamination at hazardous waste sites. According to Freeze, trying to contain the source of contamination by installing costly pump-and-treat systems usually fails to remove sufficient quantities of contaminants. Furthermore, he claims that removing the contaminated soil and transporting it elsewhere simply relocates the problem. R. Allan Freeze, former professor and director in the Geological Engineering Program at the University of British Columbia, is the coauthor of Groundwater Contamination: Optimal Capture and Containment.

As you read, consider the following questions:

1. According to Freeze, how do pump-and-treat systems operate?
2. Why is it so difficult to remove NAPLs from contaminated groundwater, as stated by Freeze?
3. As related by the author, why is treating contaminated groundwater...