Scientists have discovered that hazardous levels of carcinogenic benzene can leak from pipes, stoves and other appliances fuelled by domestic gas in Europe, even when switched off.
Making “conservative calculations”, the US researchers estimated that hundreds of thousands of people in the UK and Netherlands, countries where contamination was the highest, were exposed to levels of benzene well above national and EU regulatory recommendations.
In the worst affected homes “modelled benzene exposure . . . is worse than living with a smoker”, said the scientists from Stanford University and PSE Healthy Energy, an independent research institute in California.
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