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Wajrak, Magdalena – School Science Review, 2011
Natural arsenic salts are present in all waters, with natural concentrations of less than 10 parts per billion (ppb). Unfortunately, there is an increasing number of countries where toxic arsenic compounds in groundwater, which is used for drinking and irrigation, have been detected at concentrations above the World Health Organization's…
Descriptors: Water, Foreign Countries, Safety, Science Equipment

Broome, David E., Jr. – Journal of College and University Law, 1984
The Educational, Scientific, and Cultural Materials Importation Act of 1966 mandates duty free entry of equipment into the United States under certain conditions. The decision in the University of North Carolina v. United States Department of Commerce endorses the independence of American scientific research from one form of government control.…
Descriptors: Court Litigation, Federal Regulation, Foreign Countries, Government School Relationship