| http://www.w3.org/ns/prov#value | - Iowa Report: 1 in 25 Workers Showed Evidence of Drug Use (The Omaha World-Herald, in Nebraska, says the first in what is to be annual report by the Iowa Public Health Department required by law, private employers in 1998 conducted 31,740 drug tests on workers or job applicants, and 1,379 - or 4.3 percent - indicated traces of drugs, mostly marijuana.)
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