President Joe Biden’s administration on Tuesday finalized a rule mandating the removal of the nation’s remaining lead pipes within a decade, a move aimed at preventing millions of people from being exposed to the toxic metal linked with childhood developmental delays. President Joe Biden’s administration on Tuesday finalized a rule mandating the removal of the nation’s remaining lead pipes within a decade, a move aimed at preventing millions of people from being exposed to the toxic metal linked with childhood developmental delays. Environment Phys.org – latest science and technology news stories