TLVs and BEIs : threshold limit values for chemical substances and physical agents and biological exposure indices : 2001 TLVs and BEIs : threshold limit values for chemical substances and physical agents and biological exposure indices : 2001

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• AMERICAN CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS; American Conference of Governmental Industrial Hygienists. Cincinnati, Ohio: ACGIH, 2001, 1-882417-40-2. www.acgih.org