40 C.F.R. Table 5 to Subpart KKKKK of Part 63
Toxic Equivalency Factors
Cite as 40 C.F.R. Table 5 to Subpart KKKKK of Part 63 (2026)
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: 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
- Cross-references to the CFR
- 63.8595