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5 pg TEQ/g of food sample (wet weight) for dioxins and dioxin-like PCBs, and advised them to import a small quantity of hairy crabs first and voluntarily stop selling them until there are satisfactory results.
In particular, dioxins have an effect on a hormone called Dehydroepiandrosterone (DHEA), which is responsible for male and female characteristics in humans.
Previous analyses had indicated that serum concentrations of dioxins and dioxin-like compounds were associated with later pubertal onset among these boys.
Dioxin soil sampling in June 2012, conducted at the request of the Missouri Department of Natural Resources (MDNR), which owns the park, confirms that park visitors and employees are not being exposed to significant health risks.
However, it is understood that the dioxin was formed in the Netherlands.
Dioxins are a group of chemicals formed during combustion processes, such as waste incineration and are known to increase the likelihood of cancer with long term exposure.
The directives for detection of dioxins require limits of quantification to be 80 percent lower than the lowest reported level in the EPA standards.
We are concerned the tests for dioxins are only conducted over a six-hour time period, twice a year.
Researchers at Saiseikai Nara Hospital, Obihiro University of Agriculture and Veterinary Medicine, and Hokkaido Medicinal Plant Research Institute, found that when Chlorella pyrenoidosa supplements were added to the diets of 23 pregnant women, the amount of dioxins transferred was reduced by as much as 30 percent.
The dioxins were emitted into the air around Midland and settled into the water and soil, according to Bob McCann of Michigan's Department of Environmental Quality.
The situation will be assessed in the week beginning November 8 at a meeting of the Commission's working group on dioxins.