1 Fate and Transport of Phthalates in Indoor Environments and the Influence of Temperature: A Case Study

Chenyang Bi, The University of Texas at Austin
Ying Xu, Ph.D., The University of Texas at Austin
A case study in a test house was conducted to investigate the fate and transport of benzyl butyl phthalate (BBzP) and di-2-ethylhexyl phthalate (DEHP) in residential indoor environments and the influence of temperature. Total airborne concentrations of phthalates were sensitive to indoor temperatures, and their steady-state concentration levels increased by a factor of three with an increase in temperature from 21 to 30 ºC. Strong sorption of phthalates was observed on interior surfaces, including dust, dish plates, windows, mirrors, fabric cloth and wood.

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