The Control of Major Accident Hazards Regulations 2015

This section has no associated Explanatory Memorandum

20.  Polychlorodibenzofurans and polychlorodibenzodioxins.E+W+S

The quantities of polychlorodibenzofurans and polychlorodibenzodioxins are calculated using the following factors:

1 Van den Berg et al: The 2005 World Health Organisation Re-evaluation of Human and Mammalian Toxic Equivalency Factors for Dioxins and Dioxin like Compounds.

WHO 2005 TEF 1
2,3,7,8-TCDD12,3,7,8-TCDF0.1
1,2,3,7,8-PeCDD12,3,4,7,8-PeCDF0.3
1,2,3,7,8-PeCDF0.03
1,2,3,4,7,8-HxCDD0.1
1,2,3,6,7,8-HxCDD0.11,2,3,4,7,8-HxCDF0.1
1,2,3,7,8,9-HxCDD0.11,2,3,7,8,9-HxCDF0.1
1,2,3,6,7,8-HxCDF0.1
1,2,3,4,6,7,8-HpCDD0.012,3,4,6,7,8-HxCDF0.1
OCDD0.00031,2,3,4,6,7,8-HpCDF0.01
1,2,3,4,7,8,9-HpCDF0.01
OCDF0.0003
T = tetra, Pe = penta, Hx = hexa, Hp = hepta, O = octa