Risicogrenzen PFOA voor grond en grondwater : Uitwerking ten behoeve van generiek en gebiedsspecifiek beleid

The municipality of Dordrecht commissioned the RIVM to derive risk limits for perfluorooctanoic acid (PFOA) in soil and groundwater. The local government can determine if the quality of the soil and groundwater can cause risks to humans and the environment, and if measures are needed. The contamination with PFOA is probably caused in the end of the last Century. PFOA was used by Dupont/Chemours in Dordrecht up to 2012 for the production of polymers. This report derives generic risk limits for soil and groundwater according the method for deriving Intervention Values. This approach takes into account exposure of men and the environment from contamination in soil and groundwater. Additionally site-specific (or soil use specific risk limits have been derived for soil and groundwater for different types of land use. It is focusing on residential and industrial areas, taking into account the relevant exposure routes. The municipality can use the derived risk limits to develop a policy depending on the land use and for the reuse of soil in the municipality.