石化企业周边儿童多环芳烃内暴露负荷的时间变异性

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Abstract In order to study the effect of low molecular weight PAHs air pollution on the internal exposure levels of children, the study selected two groups of children to collect the urine samples in three days. One group (n=80) in polluted area were from an elementary school situated adjacent to a petrochemical enterprises in southern China, and the other group (n=80) in controlled area were from an elementary school situated in unwind area of 15km. The effect of petrochemical enterprises pollution on children internal exposure and the temporal variability of the internal exposure was investigated. The results suggested that:In three days, the geometric mean of the OHPAHs concentrations in children of polluted area were slightly higher than those of controlled area with significant effect (P<0.05), which were 0.04~4.00μg/g and 0.06~5.09μg/g, respectively. The constituent characteristics of OHPAHs were expressed as ΣOHNap > ΣOHPhe > ΣOHFlu > ΣOHPyr, except for that of polluted area on the second day. Significant correlations were exist between all OHPAHs only on the third day of the polluted area (P<0.01, R²=0.74~0.97) and the correlations of OHPAHs in the samples of polluted area were better than those of controlled area. There were significant correlation between 1-OHP and other OHPAHs only on the third day of polluted area (P<0.01, R²=0.82~0.95).

Key words： polycyclic aromatic hydrocarbons hydroxy polycyclic aromatic hydrocarbons correlation

Received: 22 September 2017

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	Articles by authors
	JIN Meng
	WANG Zi
	LI Yu-qing
	PAN Lang
	HE De-chun
	ZHAO Bo
	FENG Hua

Cite this article:

JIN Meng,WANG Zi,LI Yu-qing等. The research on the temporal variability of the internal exposure levels of polycyclic aromatic hydrocarbons in children around the petrochemical enterprise[J]. CHINA ENVIRONMENTAL SCIENCECE, 2018, 38(5): 1943-1950.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2018/V38/I5/1943

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