Government Funding Lapse

Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted. The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit  cc.nih.gov. Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

U.S. flag

An official website of the United States government

Dot gov

The .gov means it's official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you're on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

TR-526: TEF evaluation (Dioxin mixture) (TEFDIOXINMIX)


Study Results


Chronic Bioassay Level of Evidence

An overview of chronic evidence from Rats studies.
Rats
View
  • Clear Evidence, Female, Rats

Citation Information


NTP. TR-526: TEF evaluation (Dioxin mixture) (TEFDIOXINMIX). Chemical Effects in Biological Systems (CEBS). Research Triangle Park, NC (USA): National Toxicology Program (NTP).

Publications


TR-526 Toxicology and Carcinogenesis Studies of a Mixture of 2,3,7,8-Tetrachlorodibenzo-p-Dioxin (TCDD) (CASRN 1746-01-6), 2,3,4,7,8-Pentachlorodibenzofuran (PeCDF) (CASRN 57117-31-4), and 3,3',4,4',5-Pentachlorobiphenyl (PCB 126) (CASRN 57465-28-8) in Female Harlan Sprague-Dawley Rats (Gavage Studies)

Study Data