References
- American Conference of Governmental Industrial Hygienists . 1995–1996 Threshold Limit Values (TLVs) for Chemical Substances and Physical Agents and Biological Exposure Indices (BEIs) . Cincinnati, OH : ACGIH .
- National Institute for Occupational Safety and Health . 1996 . National Occupational Research Agenda , Cincinnati, OH : NIOSH . DHHS (NIOSH) Pub. No. 96–115