[Polycyclic aromatic hydrocarbons in the beans, peas and broad beans from domestic market, 1999-2002].

Seeds of bean, peas and broad bean, purchased from local seed production plants in the provinces of Mazowieckie and Kujawsko-Pomorskie in the years 1999-2002, were determined for the contents of fifteen polycyclic aromatic hydrocarbons. The hydrocarbons were extracted from the seeds with a hexane-acetone mixture by means of sonification. The obtained extracts were then purified in a silica gel column.

[Levels of polychlorinated biphenyls in human milk in dependent on selected factors].

The contents of polychlorinated biphenyls in human milk were determined. The PCB levels in human milk were determined in relation to factors such as: age and weight of women, birthweight of the baby, smoking, period of breast-feeding (3-5 days, 2-4 weeks, 6-8 month) and seasons of the year. It was found that level of PCB in human milk have been decreasing during lactation.