An official website of the United States government.

We've made some changes to If the information you are looking for is not here, you may be able to find it on the EPA Web Archive or the January 19, 2017 Web Snapshot.


Supporting Documents for Trimethylbenzenes

This page includes supporting documents to the IRIS chemical trimethylbenezenes.

EPA is announcing the release of the final IRIS Executive Summary for Trimethylbenzenes and an accompanying toxicological review have been added to the IRIS website.  This assessment implements many of the recommendations provided by the National Academy of Sciences and features a new streamlined document structure that is more transparent with respect to the methods used and better articulates how decisions were made.

The assessment for trimethylbenzenes contains data on three individual isomers: