40 CFR Appendix Table 3 to Subpart X of Part 63 - Table 3 to Subpart X of Part 63—Toxic Equivalency Factors

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Table 3 to Subpart X of Part 63—Toxic Equivalency Factors
Dioxin/furan congener Toxic
equivalency
factor
2,3,7,8-tetrachlorinated dibenzo-p-dioxin 1
1,2,3,7,8-pentachlorinated dibenzo-p-dioxin 1
1,2,3,4,7,8-hexachlorinated dibenzo-p-dioxin 0.1
1,2,3,7,8,9-hexachlorinated dibenzo-p-dioxin 0.1
1,2,3,6,7,8-hexachlorinated dibenzo-p-dioxin 0.1
1,2,3,4,6,7,8-heptachlorinated dibenzo-p-dioxin 0.01
octachlorinated dibenzo-p-dioxin 0.0003
2,3,7,8-tetrachlorinated dibenzofuran 0.1
2,3,4,7,8-pentachlorinated dibenzofuran 0.3
1,2,3,7,8-pentachlorinated dibenzofuran 0.03
1,2,3,4,7,8-hexachlorinated dibenzofuran 0.1
1,2,3,6,7,8-hexachlorinated dibenzofuran 0.1
1,2,3,7,8,9-hexachlorinated dibenzofuran 0.1
2,3,4,6,7,8-hexachlorinated dibenzofuran 0.1
1,2,3,4,6,7,8-heptachlorinated dibenzofuran 0.01
1,2,3,4,7,8,9-heptachlorinated dibenzofuran 0.01
octachlorinated dibenzofuran 0.0003
[79 FR 372, Jan. 3, 2014]