INVESTIGATION OF BROMATE IN BULGARIAN WATER FOR HUMAN CONSUMPTION
Journal Title: Българско списание за обществено здраве (Bulgarian Journal of Public Health) - Year 2016, Vol 0, Issue 2
Abstract
Bromate may be formed in water during ozonation as one of the disinfection byproducts when the bromide ion is present. Under certain conditions, bromate may also be formed in concentrated hypochlorite solutions used to disinfect drinking water. Bromate is a carcinogen. The maximum permissible level of the bromate is 10 µg/ dm3 in Europe, America and Canada. In this first study for Bulgaria, 16 samples of water for human consumption (5 mineral, 6 table and 1 spring waters and 4 water samples from drinking water supplies of the biggest cities in Bulgaria – Sofia and Plovdiv) were investigated for occurrence of bromate and bromide. Bromide was detected in 9 samples in concentrations between 0.6 and 105 µg/dm3 . Bromate was found in 2 samples of table water and in a sample of mineral water in the range 4 to 7 µg/dm3 . Nevertheless that there are no samples with concentration higher than the maximal level, the amounts of bromate close to 10 µg/dm3 are an indication that more detailed studies are necessary.
Authors and Affiliations
Vera Pavlova, Alexandar Kirilov, Zlatka Bratanova, Rositsa Georgieva, Irina Karadjova
Keywords
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