Results of monitoring the quality of drinking water in bottles and from points of bottling for sanitary-chemical indicators

Authors

  • Olesya Zorina State Institution “O. M. Marzeiev Institute for Public Health National Academy of Medical Sciences of Ukraine” Popudrenka str., 50, Kyiv, Ukraine, 02094, Ukraine https://orcid.org/0000-0002-1557-8521

DOI:

https://doi.org/10.15587/2519-8025.2018.129681

Keywords:

bottled potable water, point of bottling, tertiary treatment of potable water

Abstract

It was determined that 57 % of samples of potable water from points of bottling and bottled water after the direct installation of equipment or after their long production didn’t meet the hygienic requirements. Every second sample of potable water after additional treatment of tap potable water, especially for surface sources of potable water supply, didn’t meet the hygienic requirements for the trihalomethanes (THMs) content. The most common method of reverse osmosis couldn’t remove from the water more than 40–60 % of THMs, what is not always taken into consideration by manufacturers in installation of modern systems for tertiary treatment of potable water with multiple modules. Among the 33 different samples of tertiary treated tap water and 38 samples of groundwater, which quality didn’t meet the hygienic requirements, nearly 33 % and 24 % respectively (significantly more in fact) had dry residue less than 100 mg/l. Depending on the frequency of not meeting the hygienic requirements, indicators of potable water quality can be placed in the following row: chloroform and other THMs > dry residue > permanganate demand > color > ammonium and nitrates > phenols > hydrogen ion exponent, silicon, sodium, chlorides, iodine ( for the potable waters produced from the tap water); silicon > dry residue > color > nitrates > alkalinity, manganese, hydrogen ion exponent, total hardness, turbidity > total iron > fluorine, permanganate demand, nitrates (for the potable waters produced from the groundwater). The reason of inappropriate potable water quality is the lack of professional selection of water treatment equipment, particularly the violation of applicable legal requirements regarding conducting the laboratory research of source water, selection of a rational scheme and technology of water treatment

Author Biography

Olesya Zorina, State Institution “O. M. Marzeiev Institute for Public Health National Academy of Medical Sciences of Ukraine” Popudrenka str., 50, Kyiv, Ukraine, 02094

PhD, Senior Researcher, Leading Researcher

Laboratory of Hygiene of Natural, Drinking Water

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Published

2018-04-27

How to Cite

Zorina, O. (2018). Results of monitoring the quality of drinking water in bottles and from points of bottling for sanitary-chemical indicators. ScienceRise: Biological Science, (2 (11), 9–15. https://doi.org/10.15587/2519-8025.2018.129681

Issue

No. 2 (11) (2018)

Section

Biological Sciences

License

Copyright (c) 2018 Olesya Zorina

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