Química Orgânica: Pesquisa Atual
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Evaluation of Trihalomethanes Levels in Gharbiya Governorates Drinking Water

Ali M Hassan, Ali M Abdullah and Rafat Moustafa

The occurrence of trihalomethanes (THMs) was studied in the drinking water samples from Gharbiya governorate water treatment plants and its water supply network that served more than 5 million people. Drinking water samples were collected from 7 sites monthly over one year (2012-2013). The aims of the present study are to investigate the levels of THM in Gharbiya governorate (middle of Delta Egypt) drinking water. THMs ranged from 43.69 to 95.94 μg/L, the minimum value observed during winter 2013 and the maximum value observed during summer 2013, The THM and its species values were complying with the Egyptian standard (Ministerial Decree No.458/2007) and as well as WHO (2012) standards for drinking water.