avaliação da fluoretação da água do sistema de abastecimento público na ilha de são luís, maranhão, brasil evaluation of fluoride levels in the public water supply in são luis island, maranhão state, brazil
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2010
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Abstract
O objetivo deste estudo foi avaliar os níveis de flúor na água de abastecimento público da Ilha de São Luís (MA). Aplicou-se uma amostragem estratificada, considerando-se as estações de tratamento de água (06) e os bairros abastecidos (46). A análise dos teores de flúor na água foi feita através de um eletrodo específico. A concentração nas amostras variou de 0,05 a 0,84 ppm de flúor. Apenas uma estação de tratamento (Italuís) apresentou-se dentro do limite aceitável de fluoretação. A fluoretação da água de abastecimento público na Ilha de São Luís necessita de ajustes para se obter prevenção da cárie, evidenciando a importância de um controle externo para avaliação dos teores de flúor.
The aim of the present study was to evaluate the fluoride levels in public water supply in São Luís island, Maranhão State, Brazil, during the month of October of 2006. A stratification sampling was applied, considering the water treatment station (06) and the different districts (46). For fluoride analysis it was used a specific ion electrode. The fluoride concentration varied for 0.05 to 0.84 ppm. Only one water treatment station (Italuís) presented an ideal concentration of fluoride. It was concluded that the fluoride levels need adjustments, evidencing that it is essential an external control for monitoring of those levels in public water supply of São Luis.
The aim of the present study was to evaluate the fluoride levels in public water supply in São Luís island, Maranhão State, Brazil, during the month of October of 2006. A stratification sampling was applied, considering the water treatment station (06) and the different districts (46). For fluoride analysis it was used a specific ion electrode. The fluoride concentration varied for 0.05 to 0.84 ppm. Only one water treatment station (Italuís) presented an ideal concentration of fluoride. It was concluded that the fluoride levels need adjustments, evidencing that it is essential an external control for monitoring of those levels in public water supply of São Luis.
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| Authors | ;Cadidja Dayane Sousa do Carmo;Cláudia Maria Coelho Alves;Paulo Roberto Cavalcante;Cecília Cláudia Costa Ribeiro |
| Journal | journal of physical activity & health |
| Year | 2010 |
| DOI |
10.1590/S1413-81232010000700096
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