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New Research On Environmental Pollutants

women. A markedly rising trend over the past 25 years has been shown, with levels of PBDE increasing more than 50 times. A link between smoking and increased concentrations of PBDE in breast milk can also be shown.

PBDEs In Beast Milk From Primiparous Women In Uppsala, Sweden
Koidu Norén, the Karolinska Institutet, Stockholm and Per-Ola Darnerud, the Swedish National Food Administration, Uppsala, Sweden

Human Exposure
Human Exposure II, Thursday afternoon (2 - 5 p.m.)

Army Food Serves Environmental Research

One problem in measuring toxic pollutants is the difficulty in assessing whether levels are increasing or decreasing over time. Tests in the environment can be carried out, for example, by analysing core samples containing sediments. But to establish the intake via our food has been difficult. Now, researcher Dwain Winters at the US Environmental Protection Agency has found an interesting solution.

He has analysed dioxins and PCBs in meat from almost the entire century, by locating old army food parcels. The oldest sample is a 1908 "Emergency Ration" of beef and ground wheat, one of the first tinned foods available. A total of 14 samples from beef, pork, chicken and a type of bacon snack were taken. The results show that concentrations in food closely follow the development of levels in the environment, with increases until the end of the l960s, when they reached their peak. After that dioxins and PCBs in food have decreased.

Trends In Dioxin And PCB Concentrations In Meat Samples
Dwain Winters, U.S. Environmental Protection Agency, Washington DC, USA

Symposium Highlights
Friday morning

A panel of representatives from the various seminars will present the most important developments discussed at the conference.

What Will Future Environmental Research Look Like?
POP/EDC Science: An Interdisciplinary Challenge For The 2000s.

An increasingly inte
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Contact: Niklas Johansson
niklas.johansson@environ.se
+46-86981000
Swedish Environmental Protection Agency
17-Aug-1998


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