In this Friday, Dec. 16, 2016 photo, Richard Higgins, whose family's well water has been contaminated by a suspected carcinogen from a Dartmouth dump site, looks down at one of many test wells installed to monitor the groundwater in Hanover, N.H. Dartmouth College said it has spent around $8.4 million cleaning up contamination where scientists dumped carcasses of lab animals in the 1960s and 1970s. (AP Photo/Michael Casey)
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