Apr 30, 2001 — New York's Hudson River is the largest toxic waste site in the United States. PCBs dumped decades ago from a pair of General Electric factories summer, the Environmental Protection Agency will decide whether GE have contaminated the Hudson over a two hundred mile area. This should pay to clean up the river--at a cost of $460 million. Environmental groups support the clean up. But the corporation and many local residents are fighting to stop it. In this first of a three-part series, Brian Mann looks at the fierce battle being waged over the Hudson's future.