40 CFR Table 5
Toxic Equivalency Factors
June 9, 2020
As stated in §63.8595(f)(3), you must demonstrate initial compliance with each dioxin/furan emission limit that applies to you by calculating the sum of the 2,3,7,8-TCDD TEQs using the TEFs in the following table:
Open Table
| For each dioxin/furan congener . . . | You must calculate its 2,3,7,8-TCDD TEQ using the following TEF . . . |
|---|---|
| 2,3,7,8-tetrachlorodibenzo-p-dioxin | 1 |
| 1,2,3,7,8-pentachlorodibenzo-p-dioxin | 1 |
| 1,2,3,4,7,8-hexachlorodibenzo-p-dioxin | 0.1 |
| 1,2,3,7,8,9-hexachlorodibenzo-p-dioxin | 0.1 |
| 1,2,3,6,7,8-hexachlorodibenzo-p-dioxin | 0.1 |
| 1,2,3,4,6,7,8-heptachlorodibenzo-p-dioxin | 0.01 |
| Octachlorodibenzo-p-dioxin | 0.0003 |
| 2,3,7,8-tetrachlorodibenzofuran | 0.1 |
| 1,2,3,7,8-pentachlorodibenzofuran | 0.03 |
| 2,3,4,7,8-pentachlorodibenzofuran | 0.3 |
| 1,2,3,4,7,8-hexachlorodibenzofuran | 0.1 |
| 1,2,3,6,7,8-hexachlorodibenzofuran | 0.1 |
| 1,2,3,7,8,9-hexachlorodibenzofuran | 0.1 |
| 2,3,4,6,7,8-hexachlorodibenzofuran | 0.1 |
| 1,2,3,4,6,7,8-heptachlorodibenzofuran | 0.01 |
| 1,2,3,4,7,8,9-heptachlorodibenzofuran | 0.01 |
| Octachlorodibenzofuran | 0.0003 |
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