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ATSDR Draft Toxicological Profile - Silica

Posted By Mark Ellis, Wednesday, June 14, 2017

Yesterday the U.S. Department of Health and Human Services' Agency for Toxic Substances and Disease Registry (ATSDR) published the long-anticipated draft toxicological profile for "silica."  A copy of the Federal Register notice in which the draft publication is referenced is attached.  ATSDR is seeking public comments and additional information or reports on studies about the health effects of four substances, including silica.  The draft toxicological profile makes clear that amorphous and crystalline silica both are addressed.  Comments on the draft must be submitted by September 11, 2017.


The draft toxicological profile for silica can be accessed on the following portal page, which includes a description of the process through which the draft currently is progressing:  The complete 370-page document can be accessed and downloaded through the following link:  The document is 11.4 MB in size.  Please go to the link to download it.

Download File (PDF)

Tags:  ATSDR  comments  silica  toxicology profile 

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