3M says new cleaning system seems to be working after drinking wells pass tests

Monitoring wells at a landfill in Woodbury have turned up an increase in PFCs, but tests of local drinking water show no significant changes. 3M says that's a good sign that a new cleaning system is doing its job.
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Monitoring wells at a landfill in Woodbury have turned up an increase in PFCs, but tests of local drinking water show no significant changes. 3M says that's a good sign that a new cleaning system is doing its job.

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