Minnesota Public Radio slideshow:
Part 1: The science
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In the MPCA's "correspondence" file for the 3M Cottage Grove plant, for the year 2001, there is just one piece of paper -- a news report headlined, "Scotchgard sticks in the environment." There were no memos, no studies, no records of communication with 3M.  (MPR Photo/Mike Edgerly)

In the MPCA's "correspondence" file for the 3M Cottage Grove plant, for the year 2001, there is just one piece of paper -- a news report headlined, "Scotchgard sticks in the environment." There were no memos, no studies, no records of communication with 3M.

(MPR Photo/Mike Edgerly)
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