Quoting from:
http://www.epa.gov/iris/subst/0085.htm
"In rat and monkey metabolism studies, Engst et al.
(1976) and Rozman et al. (1979) identified
pentachlorophenol (classified as B2, probable
human carcinogen) and 2,3,4,5-tetrachlorophenol
as major metabolites of pentachlorobenzene."
Quoting from:
http://reo.nii.ac.jp/journal/HtmlIndicate/html/vol_issues/SUP0000003000/JOU0003000004/ISS0000013206/article_list.html
"Pentachlorobenzene (PeCB) is an important
environmental contaminant derived primarily from the
by-product contamination of the popular fungicides
hexachlorobenzene and pentachloronitrobenzene."
Quoting from:
http://turva.me.tut.fi/iloagri/ic/608935.htm
"The substance may have effects on the liver and kidneys,
resulting in tissue lesions. Animal tests show that this
substance possibly causes toxic effects upon human
reproduction."
Quoting from this file:
http://www.fda.gov/ora/fiars/ora_import_ia9908.html
"Ginseng Bing Han Medical Factory Quintozene
3/13/2001
(Powdered) 81, Cherng Gong Street *Pentachlorobenzene
211-9414883-5 Ell Jeun Village, Taiwan *Tetrachloroaniline
I290230/120531 FEI# 3003196781 *Hexachlorobenzene
54F[]R12 - SEA *BHC
Shipper: Bing Han (Canada) *Pentachloroaniline
Enterprises. Ltd. *Tecnazene
210-7911 Alderbridge Way *Pentachlorothioanisole
Richmond B.C., Canada
FEI# 3003196782"