Reaching a consensus to update OSHA's permissible exposure levels : hearing before the Subcommittee on Workforce Protections of the Committee on Education and the Workforce, House of Representatives, One Hundred Seventh Congress, second session, hearing held in Washington, DC, July 16, 2002.
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Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., [Congressional Sales Office, 2002?]
