Determining source strength of semivolatile organic compounds using measured concentrations in indoor dust.
Determining source strength of semivolatile organic compounds using measured concentrations in indoor dust.
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DOI:
10.1111/ina.12070
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发表时间:
2014-06
期刊:
影响因子:
5.8
通讯作者:
Bennett DH
中科院分区:
文献类型:
--
作者:
Shin HM;McKone TE;Nishioka MG;Fallin MD;Croen LA;Hertz-Picciotto I;Newschaffer CJ;Bennett DH
Consumer products and building materials emit a number of semivolatile organic compounds (SVOCs) in the indoor environment. Because indoor SVOCs accumulate in dust, we explore the use of dust to determine source strength and report here on analysis of dust samples collected in 30 U.S. homes for six phthalates, four personal care product ingredients, and five flame retardants. We then use a fugacity-based indoor mass-balance model to estimate the whole house emission rates of SVOCs that would account for the measured dust concentrations. Di-2-ethylhexyl phthalate (DEHP) and di-iso-nonyl phthalate (DiNP) were the most abundant compounds in these dust samples. On the other hand, the estimated emission rate of diethyl phthalate (DEP) is the largest among phthalates, although its dust concentration is over two orders of magnitude smaller than DEHP and DiNP. The magnitude of the estimated emission rate that corresponds to the measured dust concentration is found to be inversely correlated with the vapor pressure of the compound, indicating that dust concentrations alone cannot be used to determine which compounds have the greatest emission rates. The combined dust-assay modeling approach shows promise for estimating indoor emission rates for SVOCs.
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影响因子:
10.4
作者:
Bornehag, Carl-Gustaf;Lundgren, Bjorn;Weschler, Charles J;Sigsgaard, Torben;Hagerhed-Engman, Linda;Sundell, Jan
通讯作者:
Sundell, Jan
影响因子:
11.4
作者:
Clausen, Per Axel;Liu, Zhe;Wolkoff, Peder
通讯作者:
Wolkoff, Peder
影响因子:
11.4
作者:
Little, John C.;Weschler, Charles J.;Hubal, Elaine A. Cohen
通讯作者:
Hubal, Elaine A. Cohen
DOI:
10.1007/pl00014210
发表时间:
1999-11-01
影响因子:
3
作者:
Beth-Hübner, M
通讯作者:
Beth-Hübner, M
影响因子:
4.3
作者:
Loretz, L. J.;Api, A. M.;Scrafford, C. G.
通讯作者:
Scrafford, C. G.