Exclusive: Sampling results show ‘extremely concerning’ concentrations of PFOS and PFOA at sites across UK

• Where are the UK’s ‘forever chemical’ hotspots?

RAF bases are hotspots of toxic “forever chemical” pollution in water, analysis of Ministry of Defence documents has revealed.

Moreover, some of the highest concentrations of these chemicals in British drinking water sources are near RAF bases, official sampling results obtained by the Guardian and Watershed Investigations show.