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In this May 13, 2008 file photo, a special bin holds throwaway medicines and bottles at North Memorial Medical Center, in Robbinsdale, Minn.

In this May 13, 2008 file photo, a special bin holds throwaway medicines and bottles at North Memorial Medical Center, in Robbinsdale, Minn. A U.N. human rights investigator says Wednesday, Sept. 14, 2011, up to a quarter of the world's trash from hospitals, clinics, labs, blood banks and mortuaries is hazardous and much more needs to be done to regulate it. (AP Photo/Jim Mone, File)

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