1. Albatross eggs and embryos were collected in field seasons from 1996 to 1998 by Department of Conservation field staff. Species collected were the Northern Royal albatross (Diomedea sanfordi), Northern Buller's mollymawk (Thalassarche (platei) (nova sp.)) and Chatham Islands mollymawk (Thalassarche eremita). 2. Tissues were submitted to ESR for chemical analysis. Chemicals of particular inte...

TAMPERE UNIVERSITY OF TECHNOLOGY Master’s Degree Programme in Environmental and Energy Technology JOKILUOMA, JUHA: Formation and Reduction of Polychlorinated Dibenzo-pdioxins/Dibenzofurans in Fluidized Bed Combustion of Solid Waste Master of Science Thesis, 89 pages, 9 appendix pages October 2013 Major: Power Plant and Combustion Technology Examiner: Professor Antti Oksanen

We review the commonly occurring persistent pesticides and industrial chemicals in breast milk. These chemicals are dichlorodiphenyl trichloroethane as dichlorodiphenyl dichloroethene dieldrin, chlordane as oxychlordane, heptachlor, polychlorinated biphenyls, polychlorinated dibenzofurans, and polychlorinated dibenzodioxins. We present a worked example of the kinds of pharmacokinetic assumption...

As a consequence of the rapid development of modern society during the 20th century, a significant amount of organic chemicals has been dispersed into the environment. Many of them have been used as pesticides, insecticides, defoliants and industrial chemicals or produced as undesirable industrial by-products. A large amount of them show several metabolic and toxic activities including mutageni...

The procedure used to determine polychlorinated biphenyls (PCBs), polychlorinated terphenyls (PCTs), chlorinated dibenzodioxins, and chlorinated dibenzofurans is outlined in Table 1. It is based on the cleanup-chromatography of Holden and Marsden (1), modified as described (2). Most PCBs are eluted in fraction I. Fraction II contains some PCBs, p ,p'-DDE, and PCTs, whereas heptachlor exposide, ...

Within the last two decades tremendous efforts have been made to uncover the potential risks to human health associated with exposure to polychlorinated dibenzop-dioxins and polychlorinated dibenzofurans (PCDD/PCDF), especially for the general population exposed at background levels. Very few other chemicals have been investigated as intensively as these substances, in particular, the most toxi...

The aim of this study was to clarify patterns of serum concentrations of dioxins in the employees of a waste incineration plant and to estimate elimination rates and half-lives of serum dioxin isomers, and the maximum serum concentrations of dioxin isomers at the time of plant shutdown. Sixteen subjects participating 3 times or more in annual health examinations during an 8-yr period from 2000 ...

Sex ratios in the offspring of those affected by dioxins or dioxin-like compounds have been reported from Seveso, Italy and Yucheng, Taiwan. The sex ratio of live births in Yusho, Japan after a similar accidental massive exposure to polychlorinated biphenyls (PCBs) and polychlorinated dibenzofurans (PCDFs) in 1968 are reviewed. Data on all births among parents exposed to the compounds from 1968...

OBJECTIVES To find whether concentrations of polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) in serum increased in workers at municipal incinerators that burn continuously. METHODS 30 Workers employed at three municipal waste incineration plants (incinerator workers) and 30 control workers were studied. The incinerator workers had worn dust masks or airline...