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Electronic Code of Federal Regulations

e-CFR data is current as of December 4, 2019

Title 40Chapter ISubchapter CPart 63Subpart TTTTT → Appendix


Title 40: Protection of Environment
PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)
Subpart TTTTT—National Emissions Standards for Hazardous Air Pollutants for Primary Magnesium Refining


Table 2 to Subpart TTTTT of Part 63—Toxic Equivalency Factors

Dioxin/furan congenerToxic 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-dioxin0.0001
2,3,7,8-tetrachlorinated dibenzofuran0.1
2,3,4,7,8-pentachlorinated dibenzofuran0.5
1,2,3,7,8-pentachlorinated dibenzofuran0.05
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 dibenzofuran0.0001

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