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.

• IRIS Toxicological Review of Trimethylbenzenes (2016 Final Report)(105 pp, 3 Mb, About PDF)
• IRIS Toxicological Review of Trimethylbenzenes (2016 Final Report) - Supporting Information(347 pp, 9 Mb, About PDF)
• IRIS Toxicological Review of Trimethylbenzenes (2016 Final Report) - Executive Summary(10 pp, 331 Kb, About PDF)

The assessment for trimethylbenzenes contains data on three individual isomers:

• Assessment of 1,2,3-TMB, CASRN 526-73-8
• Assessment of 1,2,4-TMB, CASRN 95-63-6
• Assessment of 1,3,5-TMB, CASRN 108-67-8