- Table 5 to Subpart LLL of Part 62—Toxic Equivalency Factors

Dioxin/furan isomer Toxic equivalency factor 2,3,7,8-tetrachlorinated dibenzo-p-dioxin1 1,2,3,7,8-pentachlorinated dibenzo-p-dioxin1 1,2,3,4,7,8-hexachlorinated dibenzo-p-dioxin0.1 1,2,3,7,8,9-hexachlorinated dibenzo-p-dioxin0.1 1,2,3,6,7,8-hexachlorinated dibenzo-p-dioxin0.1 1,2,3,4,6,7,8-heptachlorinated dibenzo-p-dioxin0.01 octachlorinated dibenzo-p-dioxin0.0003 2,3,7,8-tetrachlorinated dibenzofuran0.1 2,3,4,7,8-pentachlorinated dibenzofuran0.3 1,2,3,7,8-pentachlorinated dibenzofuran0.03 1,2,3,4,7,8-hexachlorinated dibenzofuran0.1 1,2,3,6,7,8-hexachlorinated dibenzofuran0.1 1,2,3,7,8,9-hexachlorinated dibenzofuran0.1 2,3,4,6,7,8-hexachlorinated dibenzofuran0.1 1,2,3,4,6,7,8-heptachlorinated dibenzofuran0.01 1,2,3,4,7,8,9-heptachlorinated dibenzofuran0.01 octachlorinated dibenzofuran0.0003