Correction to: Journal of Exposure Science and Environmental Epidemiology (2012) 22, 204–211; doi:10.1038/jes.2011.43; published online 18 January 2012

In this article, there is an error in the abstract, lines 5 and 6. The sentence should be “We positively identified and accurately quantified CHDA and cyclohexane-1,2-dicarboxylic acid, mono hydroxyisononyl ester (MHNCH) using authentic standards.”