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Chemosphere

Title:		Measurement of polyurethane foam - air partition coefficients for semivolatile organic compounds as a function of temperature: Application to passive air sampler monitoring
Author(s):		Francisco AP; Harner T; Eng A;
Address:		"University of Sao Paulo, School of Public Health, Av. Dr. Arnaldo, 715, Sao Paulo, Brazil. Air Quality Processes Research Section, Environment and Climate Change Canada, Toronto, ON, M3H 5T4, Canada. Electronic address: Tom.Harner@Canada.ca. Air Quality Processes Research Section, Environment and Climate Change Canada, Toronto, ON, M3H 5T4, Canada"
Journal Title:		Chemosphere
Year:		2017
Volume:		20170131
Issue:
Page Number:		638 - 642
DOI:		10.1016/j.chemosphere.2017.01.135
ISSN/ISBN:		1879-1298 (Electronic) 0045-6535 (Linking)
Abstract:		"Polyurethane foam - air partition coefficients (K(PUF-air)) for 9 polycyclic aromatic hydrocarbons (PAHs), 10 alkyl-substituted PAHs, 4 organochlorine pesticides (OCPs) and dibenzothiophene were measured as a function of temperature over the range 5 degrees C-35 degrees C, using a generator column approach. Enthalpies of PUF-to-air transfer (DeltaH(PUF-air), kJ/mol) were determined from the slopes of log K(PUF-air) versus 1000/T (K), and have an average value of 81.2 +/- 7.03 kJ/mol. The log K(PUF-air) values at 22 degrees C ranged from 4.99 to 7.25. A relationship for log K(PUF-air) versus log K(OA) was shown to agree with a previous relationship based on only polychlorinated biphenyls (PCBs) and derived from long-term indoor uptake study experiments. The results also confirm that the existing K(OA)-based model for predicting log K(PUF-air) values is accurate. This new information is important in the derivation of uptake profiles and effective air sampling volumes for PUF disk samplers so that results can be reported in units of concentration in air"
Keywords:		"Air Pollutants/*chemistry Environmental Monitoring/methods Hydrocarbons, Chlorinated/*chemistry Models, Theoretical Pesticides/*chemistry Polycyclic Aromatic Hydrocarbons/*chemistry Polyurethanes/*chemistry Temperature Thiophenes/*chemistry PUF-air partit;"
Notes:		"MedlineFrancisco, Ana Paula Harner, Tom Eng, Anita eng England 2017/02/16 Chemosphere. 2017 May; 174:638-642. doi: 10.1016/j.chemosphere.2017.01.135. Epub 2017 Jan 31"