Abstract:
:Five hexachloronorbornene-based flame retardants, Dechlorane Plus (DP), Dechlorane 602 (Dec 602), Dechlorane 603 (Dec 603), Dechlorane 604 (Dec 604) and hexachlorocyclopentadienyl-dibromocyclooctane (HCDBCO), were measured in human milk and maternal serum. Dec 602, Dec 603 and HCDBCO were detected in both sample matrices with detection frequencies over 60%. Dec 604 was not detected in serum and only detected in 4.8% of milk samples. DP was present in over 77-87% of serum and 40-50% of milk samples. DP levels found in this study were lower than those reported in two Chinese studies. The ratio of the two DP isomers found in human samples (f(anti-DP) = 0.8) remained similar to the ratio reported in the DP technical mixture. Levels of Dec 602 and Dec 603 in serum were correlated. Levels of Dec 602 and HCBDCO were also correlated in serum samples as well as in milk samples. These biomonitoring results have provided baseline information about the presence of these flame retardants in nursing women in Canada, which can be used for estimating human exposure to these chemicals.
journal_name
Environ Intjournal_title
Environment internationalauthors
Zhou SN,Siddique S,Lavoie L,Takser L,Abdelouahab N,Zhu Jdoi
10.1016/j.envint.2014.01.010subject
Has Abstractpub_date
2014-05-01 00:00:00pages
11-7eissn
0160-4120issn
1873-6750pii
S0160-4120(14)00015-4journal_volume
66pub_type
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