Sorption of PFOA and PFOS to Aquifer Sediment

Courtesy Recent Science Inventory records from the EPA  Mon, 08/25/2008 - 11:25

During its years of operation, the Washington County Sanitary Landfill near St. Paul, Minnesota accepted both municipal and industrial solid waste.

Several years of ground water monitoring performed by the MPCA indicates that, some of the waste disposed of at this landfill contained PFOA.

The PFOA has leached into the ground water and moved with the ground-water flow. It has also moved deeper, affecting the bedrock aquifer where it was found at low levels.

As part of a risk evaluation,...

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