Abstract：
:This study characterizes the levels of polychlorinated biphenyls (PCB) congeners PCB 77, PCB 81, PCB 126, and PCB 169, in a group of 150 men and women with no documented exposure to PCBs. Its purpose is to provide current referent levels of coplanar PCBs in Missouri residents and to compare those levels to levels reported in the literature from the United States and other countries. Although this study used an extensive questionnaire assessing potential sources of exposure, no positive relations were found between these exposure sources and participants' PCB levels. The PCB levels for the four congeners measured were lower than any reported in the literature. PCBs 126 and 169 are only two of the dioxin-like congeners; however, their contribution makes up 11% of the total TEQ. Age was significantly related to PCB 126 and PCB 169. For every one-year increase in age, both PCB congeners increased by approximately 0.4 parts per trillion (ppt). There was no gender difference for PCB 126; however, PCB 169 levels were 3 ppt higher in males than females.
journal_name
Chemospherejournal_title
Chemosphereauthors
Shadel BN,Evans RG,Roberts D,Clardy S,Jordan-Izaguirre D,Patterson DG Jr,Needham LLdoi
10.1016/s0045-6535(00)00457-4subject
Has Abstractpub_date
2001-05-01 00:00:00pages
967-76issue
4-7eissn
0045-6535issn
1879-1298pii
S0045-6535(00)00457-4journal_volume
43pub_type
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