1.   The contaminated material should be encapsulated and removed.

2.   At an undisclosed site outside of Washington, FBI agents and Environmental Protection Agency employees constructed a large room sealed in plastic to handle potentially contaminated material.

3.   According to the billing documents, workers used the equipment to move stockpiled contaminated material at the football field to the baseball field for additional fill.

4.   Contaminated materials at the Presidio include pesticides, metals and chemicals in soil.

5.   Storing contaminated materials is expensive and could drag on for decades, depriving Yankee Atomic of a completed project to tout in selling its decommissioning business.

6.   The cap of dirt atop the plastic-shrouded contaminated material is tainted with chunks of foundry slag, Garcia said.

7.   The fight is over what to do with contaminated material that is scooped from the floor of the harbor during dredging, which deepens shipping channels.

8.   The low-level waste consists of contaminated material from nuclear plants, military facilities, laboratories in hospitals and universities, biotechnology firms, and other industries.

9.   The port has difficulty finding a suitable place to put the contaminated material from dredging projects.

10.   While uncommon in humans, infections can occur from bites or handling of infected animals or contaminated materials.