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.


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.

Specular hematite (HEMATITESPEC)

Citation Information

NTP. Specular hematite (HEMATITESPEC). Chemical Effects in Biological Systems (CEBS). Research Triangle Park, NC (USA): National Toxicology Program (NTP).


TOX-91 Toxicity Studies of Abrasive Blasting Agents Blasting Sand,Coal Slag, Crushed Glass, Garnet and Specular Hematite (CASRN BLASTINGSAND,COALSLAG,CRUSHEDGLASS,GARNET and HEMATITESPEC) Administered by Inhalation to F344/NTac and Harlan Sprague-Dawley Rats

Study Data

Toxicity and Carcinogenicity Studies

39-Week Evaluation of the Toxicity (C20536) of Abrasive Blasting Agents: Specular Hematite (HEMATITESPEC) in Harlan Sprague-Dawley Rats via Whole Body Respiratory Exposure
Study Tables
Interim (4 Week) Study Tables
Interim (26 Week) Study Tables
Interim (16 Week) Study Tables
Individual Animal Data
2-Week Evaluation of the Toxicity (C20536) of Abrasive Blasting Agents: Specular Hematite (HEMATITESPEC ) in F344/N Tac, Rat Exposed via Whole Body Respiratory Exposure