Description: Das Projekt "Untersuchungen zu endokrinen Substanzen im Trinkwasser" wird vom Umweltbundesamt gefördert und von Fraunhofer-Institut für Molekularbiologie und Angewandte Oekologie durchgeführt. On the basis of a literature survey, a European wide questioning of waterworks and a case study on the occurrence of EDCs in four European waterworks, the following conclusions can be drawn concerning. Occurrence of EDCs in raw water and drinking water: In the literature and in the questionnaires sent to waterworks and authorities the presence of EDCs in drinking water were reported. Some of the listed concentrations were relatively high. Although detailed analytical protocols were not available, it can be assumed that these are outliers. Therefore, further measurements with standardised analytical methods are crucial for confirmation. In the case study where drinking water was analysed at 4 European waterworks for synthetic and natural estrogens, alkylphenols, bisphenol A and organotin compounds, concentrations were below the limit of quantification. Only in a few cases very low EDC levels close to the quantification limit could be detected. Most information about the presence of EDC concentrations in raw water and drinking water were available from a limited number of European countries. These results cannot be transferred to all Member States of the European Union. To provide a union wide picture of the exposure additional data from other European countries are required. For pesticides most frequently the occurrence of Atrazine, Simazine, Diuron, Isoproturon, Linuron, Endosulfan and Lindane was reported in raw water and drinking water. In a few cases even the limit value of the Drinking Water Directive for individual pesticides was exceeded. For the other pesticides selected for this study no information on drinking water concentrations was available. The raw water of waterworks, especially surface waters, frequently contains EDCs. However, common drinking water treatment technology (e.g. bank filtration, coagu lation, ozonation, GAC) should be very effective in removing EDCs. This is underlined by the results of the case study, the literature and by novel results from the EU research project POSEIDON (EVK1-CT-2000-00047). Following conclusions can be drawn with respect to Human exposure via drinking water: The evaluation of the human exposure routes for EDCs investigated in the case study revealed that the contribution of drinking water to the total exposure is of minor impor tance for these substances. The main exposure route for these substances and for the pesticides is food consump tion. Exceptions might occur for synthetic hormones used as pharmaceuticals. However, synthetic hormones such as Ethinylestradiol were detected neither in raw waters of waterworks nor in drinking waters. The reported drinking water concentrations are clearly lower than drinking water guideline values (TBT) or 'provisional drinking water guidance values' derived from TDI values (Bisphenol A) and animal studies (Nonylphenol). usw.
Types:
SupportProgram
Origin: /Bund/UBA/UFORDAT
Tags: Pestizidgehalt ? Bisphenol A ? Pestizid ? Alkylphenol ? Schadstoffgehalt ? Zinnorganische Verbindung ? Schadstoffbelastung des Menschen ? Arzneimittel ? Atrazin ? Lindan ? Rohwasser ? Simazin ? Molekularbiologie ? Main ? Endosulfan ? Trinkwasserverordnung ? DCMU ? Isoproturon ? Fragebogen ? Kind ? Konsumverhalten ? Nonylphenol ? Ozonung ? Trinkwasseraufbereitung ? Trinkwasseranalyse ? Trinkwasserverunreinigung ? Uferfiltration ? Oberflächenwasser ? Geschlechtshormon ? EU-Länder ? EU-Trinkwasserrichtlinie ? Östrogen wirksame Substanz ? Stoffbewertung ? Trinkwasser ? Koagulation ? Leitwert ? Wasserverschmutzung ? Chemikalien ? Wasserversorgungsanlage ? Literaturstudie ? Tier ? Stoff ? Maßnahmenwert ? Messdaten ? Daten ? Befragung ? Endokrin aktive Substanz ? Oberflächengewässer ? Fallstudie ? Analyseverfahren ? Hormon ? ADI-Wert ? Standardmethode ? Forschungsprojekt ? Studie ? Lebensmittel ? Sicherheitsanalyse ? Richtwert ? Grenzwert ? Schadstoffverhalten ? Linuron ? Schadstoffelimination ? Ethinylestradiol ?
Region: Nordrhein-Westfalen
Bounding box: 6.76339° .. 6.76339° x 51.21895° .. 51.21895°
License: cc-by-nc-nd/4.0
Language: Deutsch
Time ranges: 2000-12-29 - 2003-01-31
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