05:21
Paths of Pollution: Cleaning Up the Fox River
The potentially responsible parties for the discharge of PCBs into the Fox River-the companies along the Fox River-propose the natural attenuation method of remediation. EPA does not consider this natural burial of the contaminated sediments a perma...
04:03
Due West: Ventura, California Marina
The Ventura, California marina was built in the 1950s with little or no understanding of the dredging that would be necessary to counteract the accumulation of sediment underwater. As a result the harbor has not functioned effectively for much of th...
06:22
The Ocean's Memory: Obtaining and Analyzing Sediment Samples
Despite its temporary nature, sediment remains uniquely valuable. As a result, oceanographers have worked hard to refine the process of obtaining and analyzing sediment samples.