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Target Organs and Levels of Evidence for TR-038

Bioassay of Aroclor® for Possible Carcinogenicity (CASRN 27323-18-8)

Chemical (Study Title)
CASRN
Peer Review DatePrimary UsesRoute/Exposure LevelsStudy Laboratory
Aroclor 1254
11097-69-1
11/28/1977Aroclor® is the registered trademark of the Monsanto Chemical Company for their polychlorinated biphenyls (PCBs). PCBs were developed in 1929 primarily for use as heat transfer fluids and dielectrics (insulators). [Pesticide]Dosed-Feed
0,25,50,100 PPM/24 PER GROUP
SRI International

Levels of Evidence

Male Rats: Equivocal
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Liver: (CARCINOMA)
  • Intestines: (ADENOCARCINOMA)
Female Rats: Equivocal
TypeOrgan/Tissue (Lesion)
Neoplastic Lesions
  • Liver: (ADENOMA)
  • Intestines: (ADENOCARCINOMA)