TEF: Difference between revisions

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Revision as of 17:32, 12 August 2009 (view source) Henrik (talk \| contribs) (New page: {{encyclopedia\|moderator=Henrik}}TEF (TCDD equivalency factor, toxic equivalency factor), a relative toxicity factor of a PCDD/F or PCB congener as related to TCDD. TEF values vary from 1 ...)		Latest revision as of 18:58, 25 April 2010 (view source) Jouni (talk \| contribs) (redirected)
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	~~{{encyclopedia\|moderator=Henrik}}TEF (TCDD~~ equivalency factor, toxic equivalency factor), a relative toxicity factor of a PCDD/F or PCB congener as related to TCDD. TEF values vary from 1 to 0.00001 or 0 (Table 4; see also TEq). The latest re-evaluation of TEF values was that by WHO in 1998, and these TEF values have been used in this booklet as WHO-TEF for PCDD/Fs and PCB-TEF for PCBs. TEq = ΣTEFi*Ci, where Ci is the amount (or concentration) of congener i.		#REDIRECT [[Toxic equivalency factor]]