Part 2 Equivalence factors for dibenzo-p-dioxins and dibenzofurans
United Kingdom
For the determination of the total concentration of dioxins and furans, the mass concentrations of the following dibenzo-p-dioxins and dibenzofurans shall be multiplied by the following equivalence factors before summing:
| Toxic equivalence factor | |
|---|---|
| 2,3,7,8 — Tetrachlorodibenzodioxin (TCDD) | 1 |
| 1,2,3,7,8 — Pentachlorodibenzodioxin (PeCDD) | 0,5 |
| 1,2,3,4,7,8 — Hexachlorodibenzodioxin (HxCDD) | 0,1 |
| 1,2,3,6,7,8 — Hexachlorodibenzodioxin (HxCDD) | 0,1 |
| 1,2,3,7,8,9 — Hexachlorodibenzodioxin (HxCDD) | 0,1 |
| 1,2,3,4,6,7,8 — Heptachlorodibenzodioxin (HpCDD) | 0,01 |
| Octachlorodibenzodioxin (OCDD) | 0,001 |
| 2,3,7,8 — Tetrachlorodibenzofuran (TCDF) | 0,1 |
| 2,3,4,7,8 — Pentachlorodibenzofuran (PeCDF) | 0,5 |
| 1,2,3,7,8 — Pentachlorodibenzofuran (PeCDF) | 0,05 |
| 1,2,3,4,7,8 — Hexachlorodibenzofuran (HxCDF) | 0,1 |
| 1,2,3,6,7,8 — Hexachlorodibenzofuran (HxCDF) | 0,1 |
| 1,2,3,7,8,9 — Hexachlorodibenzofuran (HxCDF) | 0,1 |
| 2,3,4,6,7,8 — Hexachlorodibenzofuran (HxCDF) | 0,1 |
| 1,2,3,4,6,7,8 — Heptachlorodibenzofuran (HpCDF) | 0,01 |
| 1,2,3,4,7,8,9 — Heptachlorodibenzofuran (HpCDF) | 0,01 |
| Octachlorodibenzofuran (OCDF) | 0,001 |