The Danish Environmental Protection Agency informs municipalities about the control of drinking water



The Danish Environmental Protection Agency has today informed all the country's municipalities that drinking water in the future and as soon as possible must be tested for the pesticide degradation product chlorothalonil-amide sulphonic acid.

Chlorothalonil has been approved in Denmark during the period from 1982 to 2000 as a pesticide as a fungicide in wheat, potatoes, peas, onions, leeks, blackcurrants, ribs and strawberries in the open air, as well as cucumbers and ornamental plants on the open and in greenhouses. In the EU, on March 22, 2019, it was agreed that the drug is no longer authorized and its use should therefore cease within a maximum of 18 months in countries that have authorized the drug.

Chlorothalonil has not been approved for wood preservation in Denmark, but it has been used as a biocide in wood paints and ground paints that were not previously approved uses. The substance has not been applied within the deadline for biocides in the EU, and the last biocidal use is prohibited in 2011.

It is the Danish Agency for Patient Safety who assesses whether finding pesticides in drinking water means that the water must not be drunk. It assesses the board on the basis of samples of the departure water, ie. the water that goes to consumers.

A health assessment by the DTU Food Institute has shown that it can not be rejected, down to a limit value of 0.01 micrograms / liter, that consuming the water can be problematic in terms of health. In order to be able to confirm or confirm whether the substance is hazardous to health, several studies must be carried out. One of the producers of agents with chlorothalonil has initiated two tests, which are expected to be able to confirm or confirm whether the substance can cause damage to the genes.The completed reports will be ready in August 2019.

The Danish Environmental Protection Agency has also been in contact with a company that develops cleaning methods. They have initiated an investigation of whether cleaning with carbon filters can remove the substance so that you can drink the water after cleaning, which the company has just confirmed is probably the case. The results are under validation.

The substance will also be included in the nationwide screening of the groundwater, which the Danish Environmental Protection Agency initiates in 2019.

SOURCE: www.mst.dk (automatically translated from Danish)

                   

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