References
- U. S. Department of Labor, Occupational Safety and Health Administration . 29 CFR 1910.1000, Table Z-2
- American Governmental Industrial Hygienists . 1994 . Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices for 1994–1995 , Cincinnati, OH : ACGIH .
- Agency for Toxic Substances and Disease Registry . June 1990 . Case Studies in Environmental Medicine (#9—Tetrachloroethylene Toxicity) , June , Atlanta, GA : ATSDR .