Tougher arsenic standard shows desired effect: Public's drinking water is safer - Phys.org
Tougher arsenic standard shows desired effect: Public's drinking water is safer Phys.orgToughening the federal standard for arsenic in 2001 has led to fewer violations by the public systems that supply more than 80 percent of the...
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Toughening the federal standard for arsenic in 2001 has led to fewer violations by the public systems that supply more than 80 percent of the United States' ...