Regulations last checked for updates: May 15, 2025

Title 40 - Protection of Environment last revised: Nov 15, 2025
All TitlesTitle 40Chapter IPart 63Subpart AAAAAAppendix - Table 11 to Subpart AAAAA of Part 63—Toxicity Equivalence Factors (TEFs) for Human Health Risk Assessment of Polychlorinated Dibenzo-p-dioxins, Dibenzofurans, and Dioxin-Like Polychlorinated Biphenyls
Collapse to view onlyAppendix - Table 11 to Subpart AAAAA of Part 63—Toxicity Equivalence Factors (TEFs) for Human Health Risk Assessment of Polychlorinated Dibenzo-p-dioxins, Dibenzofurans, and Dioxin-Like Polychlorinated Biphenyls
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authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.
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