BACKGROUND Though commercial production of polychlorinated biphenyls was banned in the United States in 1977, exposure continues due to their environmental persistence. Several studies have examined the association between environmental polychlorinated biphenyl exposure and modulations of the secondary sex ratio, with conflicting results. OBJECTIVE Our objective was to evaluate the associatio...

7. Wolff MS, Toniolo PG. Environmental organochlorine exposure as a potential etiologic factor in breast cancer. Environ Health Perspect 103(suppl 7):141-145 (1995). 8. Timing of environmental exposures in breast cancer and northeast/mid-Atlantic breast cancer programs, NIEHS, 25-26 September 1996. 9. Vorhees DJ. Multimedia human exposure to polychlorinated biphenyls [PhD dissertation]. Harvard...

Human milk Body burden Polychlorinated dibenzo-p-dioxins and dibenzofurans Dioxin-like polychlorinated biphenyls Risk assessment Public health ABSTRACT: A study on polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs) and dioxin-like polychlorinated biphenyls (dl-PCBs) was conducted in a pooled sample of breast milk from 27 first-time mothers (primiparous) living in t...

Flannigan, and Nick Erdman. Thanks to Richard specifically for offering endless assistance and support in spite of many difficulties I encountered along the way. Above all, I would like to thank Jerry Schnoor for his guidance throughout the course of my graduate studies. In addition, I would like to thank all the amazing professors that comprise the Environmental Engineering department and thei...

Degradation of Askarel (PCB Blend) by Indigenous Aerobic Bacteria Isolates from Dumpsites in Ore, Ondo State.Nigeria. Nwinyi, Obinna C Department of Biological sciences, School of Natural and Applied Sciences, College of Science and Technology, Covenant University, Km 10 Idiroko Road, Canaan land PMB, Ota, Ogun State, Nigeria. Abstract: The removal of toxic industrial products such as polychlor...