1. American Conference of Governmental Industrial Hygienists (ACGIH) 1986 Documentation of the Threshold Limit Values and Biological Exposure Indices
2. American Conference of Governmental Industrial Hygienists (ACGIH) 1991 Threshold Limit Values and Biological Exposure Indices for 1991-1992
3. Centers for Disease Control (CDC). 1984
4. Centers for Disease Control (CDC) 1987
5. Formation of Polychlorinated Dibenzofurans and Dioxins During Combustion, Electric Equipment Fires, and PCB Incineration;Hutzinger;Environ. Health Perspect.,1985