EPA Finds Strontium Only Contaminant Needing New Drinking Water Rule

EPA has made a preliminary determination that drinking water regulation is necessary for the chemical strontium -- only the second time it has issued such a finding since 1996 -- but says no rules are necessary for four other drinking water contaminants, while punting for now on whether regulation is necessary for two other substances. Drinking water utility sources had predicted strontium was a strong candidate for regulation when EPA sent its preliminary determinations to the White House for review,...