Lead in 'tap-water' in ancient Rome up to 100 times more than local spring waters

A team of researchers with members from France, Great Britain and the U.S. has found that lead concentrations in drinking water in Rome, during the height of the Roman Empire were 100 times that of local spring waters. In their paper published in Proceedings of the National Academy of Sciences, the team describes how they took sediment samples from two sources in the city that revealed lead levels over a thousand year period.

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