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2,3,7,8-Tetrachlorodibenzo-p-dioxin and related compounds (TCDDs)

CAS Number

1746-01-6

Synonym

Dioxin, TCDD

Occurrence/Use

Byproduct of manufacture of chlorophenols, hexachlorophene, and herbicides; contaminant of the Agent Orange, PCBs, and pentachlorophenol; component of combustion, including waste incineration and tobacco smoke.

TCDD

California Public Health Goals Data

Health Risk Category: 
Carcinogenicity
Public Health Goal (mg/L): 
0.05 picograms/L (pg/L)
Public Health Goal - Download: 
Downloads: 
Cancer Risk at PHG: 
0.000001
MCL value (mg/L): 
0.00000003
Cancer Risk at MCL: 
0.0006
Last PHG Revision : 
2010
California PHG Comments: 
The Public Health Goal for TCDD (Doxin) is 0.00005 nanograms/liter (ng/L) or 0.05 picograms/liter (pg/L).
Update Date: 
09/16/2010