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Seven sources of radioactive cobalt-60 (Co-60) have gone missing from a former iron foundry in Poland - and the country's issuance of the equivalent of a 'wanted' poster to retrieve them highlights the importance of controlling radioactive materials.
The safe disposal of millions of sources of radiation -- materials and devices used in hospitals, labs, universities, industrial testing and measurements, and more -- is a big problem; monitoring these sources of radiation is lax or non-existent: there are approximately two million radioactive devices in U.S. factories, hospitals, research facilities, and other places nationwide; last fall the Nuclear Regulatory Commissioned (NRC) moved to tighten regulations of these devices -- but only of a tiny fraction of them (2,000 in all); moreover, the U.S. Government Accountability Office (GAO) estimates that up to 500,000 of those devices are unaccounted for