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Residue of pentachlorophenol in freshwater sediments and human breast milk collected from the Pearl River Delta, China.

Abstract：

:Pentachlorophenol (PCP) was investigated in freshwater sediments and human breast milk collected from the Pearl River Delta, China. The average level of PCP in river sediments was 7.93 ng/g based on dry weight, ranging from 1.44 to 34.4 ng/g. As to the sediments from fishponds, samples from Zhongshan had the highest PCP levels (37.5 ng/g on average), followed by Dongguan (21.1 ng/g on average) and the least in Shenzhen (3.69 ng/g on average) and Shunde (2.20 ng/g on average). Negative relationship was obtained between the PCP level and pH value in sediment (r=0.553, n=13, p<0.05), while positive relationship was found between the PCP levels and the total organic matter (TOM) levels in sediment (r=0.700, n=17, p<0.01). These results indicated that pH and TOM played important roles during the process of PCP settling down to the sediment. PCP was also detected in human breast milk with an average of 2.15 ng/g. The PCP concentration increased with the age increasing of donors. The estimated PCP body burden for mother, daily and yearly PCP intake of infants ranged from 0.16 to 4.17 mg/person, from 0.26 to 10.23 mug/infant.day and from 0.09 to 3.73 mg/infant.year, respectively.

journal_name

Environ Int

journal_title

Environment international

authors

Hong HC,Zhou HY,Luan TG,Lan CY

doi

10.1016/j.envint.2004.11.002

subject

Has Abstract

pub_date

2005-07-01 00:00:00

pages

643-9

issue

5

eissn

0160-4120

issn

1873-6750

pii

S0160-4120(04)00196-5

journal_volume

31

pub_type

杂志文章

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