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On the inadequacy of the iron concentration standard for potable water included in the ministry of health and social care directive
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Abstrakty
In Poland, the quality parameters of potable and municipal water must comply with the Directive of May 4, 1990 issued by the Ministry of Health and Social Care. Although relevant regulations are met, analysis of tap water quality at draw-off points often reveals episodes of considerably exceeded admissible concentration values, especially those of iron compounds. This phenomenon should be attributed to the corrosive power of the material of which the pipes have been made, as well as to the high admissible concentration value for iron content in treated water. The objective of the study reported in this paper was to examine the contribution of fittings, pipes and pipelines to the recontamination of the tap water by iron compounds on the example of a municipal pipeline of choice. The authors estimated the quantity of iron compounds coming from the corrosion of fittings, pipes and water network, as well as analyzed the hydraulic loading of the housing-estate and transit pipelines. Consideration was also given to the problem of non-uniform distribution of iron compound concentrations at the chosen points of the water-pipe network under study. Determined were the factors contributing to the occurrence of exceeded iron compound concentrations at the draw-off points. The authors suggested a number of preventive measures.
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Tom
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9--11
Opis fizyczny
Bibliogr. 8 poz., tab.
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autor
autor
autor
- Katedra Zaopatrzenia w Wodę i Usuwania Ścieków Politechniki Lubelskiej
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Bibliografia
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bwmeta1.element.baztech-article-BPO2-0005-0052
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