Bentham has the UK's highest recorded Pfas levels.
One in four residents tested are in the greatest risk category.
Pfas chemicals are known as 'forever chemicals' due to their persistence in the environment.
Briefing: People in North Yorkshire town found to have ‘alarming’ levels of toxic Pfas chemicals in blood
Strategic angle: Exclusive: Testing in Bentham reveals one in four residents have blood levels in the greatest risk category.