Toxic equivalency

Toxic equivalency means the product of the concentration of an individual dioxin isomer in an environmental mixture and the corresponding estimate of the compound-specific toxicity relative to tetrachlorinated dibenzo-p-dioxin, referred to as the toxic equivalency factor for that compound. Table 4 to this subpart lists the toxic equivalency factors.


40 CFR § 60.4930

Scoping language

Terms used but not defined in this subpart are defined in the Clean Air Act and 60.2.

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