In 1983, New York State Attorney General Robert Abrams filed suit in the United States District Court for the Northern District of New York to compel GE to pay for the cleanup of what was claimed to be more than 100,000 tons of chemicals dumped from their plant in Waterford, New York. Which New York State Attorney General filed suit in US District Court to force GE to pay for the cleanup of chemicals dumped by their plant in Waterford, NY?