A Toxic Equivalency (TEQ) Factors

Section 229 Section 229.APPENDIX A   Toxic Equivalency (TEQ) Factors The following TEQ factors shall be used to determine compliance with the dioxin/furans standards under either Section 229.125(b) or Section 229.126(b) of this Part. Dioxin/Furan Congener Toxic Equivalency Factor 2,3,7,8-tetrachlorinated dibenzo-p-dioxin 1.0 1,2,3,7,8-pentachlorinated dibenzo-p-dioxin 0.5 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 0.001 2,3,7,8-tetrachlorinated dibenzofuran 0.1 2,3,4,7,8-pentachlorinated dibenzofuran 0.5 1,2,3,7,8-pentachlorinated dibenzofuran 0.05 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 0.001