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2 (91), 2019


Edition of the journal is supported partially by the grant of the Fogarty International Center (FIC) of the National Institute of Health and Illinois University, Chicago.


ISSN 2077-7477 (Print)
ISSN 2077-7485 (Online)

A journal "Dovkillia ta zdorovia" (Environment & Health) publishes the articles on the problems in the field of medical ecology, hygiene, health protection and ecological safety.

Founder of the Journal:
State Institution "O.M. Marzeiev Institute for Hygiene and Medical Ecology of the National Academy of Medical Sciences of Ukraine"

Frequency of publication:

Environment & HealthISSN: 2077-7477 eISSN: 2077-7485
No: 2 (78)   -   2016   -   Pages: 39-42
Toxic organo-chlorine compounds in the chlorinated drinking water of the Dnipro basin cities

: 614.777:628.166:5 46.121

Objective. We identified and evaluated the factual THM and HAA levels in drinking water under the chlorination (chloramine, chlorine gas) at different stages of water treatment in water. We investigated the water of the rivers Dnipro and Desna water-supply purified and disinfected with the application of the chlorination with preammoniation. At the metallurgical works water-pipe in Zaporizhzhia, water was studied after the purification at the treatment facilities similar to the Kyiv ones, but chlorine gas was used instead of chloramine in water treatment there. 7 volatile and 9 non-volatile OCCs (THM and HAA) were identified in drinking water. The determination was carried out using the standardized methods with the help of the gas chromatograph "Kristalliuks 4000-M ".
Results. Investigations, performed at the Kyiv water pipes, demonstrated a presence of organo-chlorine compounds in drinking water: volatile THMs (chloroform and dichlorobromomethane) and non-volatile OCCs (monochloroacetic and trichloroacetic acids) within the limits of the MAC. Not only the high levels of chloroform (>2 MPC) but also much higher concentrations of monochloroacetic and trichloroacetic acids than at the Kyiv water-supplies were identified in drinking water at the metallurgical works water-pipe in Zaporizhzhia.
Conclusions. We established that volatile (THM) and non-volatile (HCS) toxic OCCs were formed under the Dnipro basin water chlorination simultaneously. Chloroform is a prior among the THMs formed in water and monochloroacetic acid (MCAA) - for HAA. The content of HF and MCAA in water of treatment facilities does not exceed the established standards where the chlorination with preammoniation is used. At the concentrations above the allowable levels, application of chlorine gas in water treatment leads to the formation of chloroform and MCAA (in some water samples).

drinking water, water treatment, chlorination (chloramine, chlorine gas), organo-chlorine compounds, volatile THM, non-volatile HAA.
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