Minnesota Public Radio slideshow:
Legislative hearing raises questions about MPCA, 3M relationship
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Fardin Oliaei testified before the Senate Environment Committee that state regulators and 3M have blocked her PFC research. (MPR Photo/Lorna Benson)

Fardin Oliaei testified before the Senate Environment Committee that state regulators and 3M have blocked her PFC research.

(MPR Photo/Lorna Benson)
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