New Standards of Chemical Quality for Drinking Water
نویسندگان
چکیده
منابع مشابه
Chemical quality of drinking water in Bandar Abbas
Introduction: Natural water normally consists of mineral compounds, suspended solids and dissolved gases. Some of these components are necessary for human health, but if more than allowable limits, they will endanger the human health. In this research, important clinical parameters in drinking water of Bandar Abbas were evaluated to compare with the national standards. Methods: In this descrip...
متن کاملAssessment of chemical quality of drinking water in rural areas of Babol, Northern Iran
Background: This study evaluated the quality of drinking water in rural areas of the city of Babol in terms of chemical parameters (iron, manganese, nitrite, and nitrate) and compared it with the Iranian and the World Health Organization (WHO) standards to determine the trend. Methods: This cross-sectional study monitored chemical test results for the years 2011-2014 of samples collected from ...
متن کاملAssessment of chemical quality of drinking water in rural area of Qorveh city, Kurdistan province, Iran
Groundwater aquifers as one of the main sources of water supplies are faced with different risks such as level dropping due to lack of precipitation, and natural and non-natural pollutants. Thus, it is extremely necessary to monitor ground water quality. In the present study, the concentration of cations, anions, and some toxic metals was evaluated in 21 rural water supplies in Qorveh plain in ...
متن کاملGuidelines for Drinking-water Quality
398 Nitrate and nitrite Nitrate (NO 3 ) is found naturally in the environment and is an important plant nutrient. It is present at varying concentrations in all plants and is a part of the nitrogen cycle. Nitrite (NO 2 ) is not usually present in significant concentrations except in a reducing environment, as nitrate is the more stable oxidation state. It can be formed by the microbial reductio...
متن کاملGuidelines for Drinking-water Quality
IARC classified PCP in Group 2B (possibly carcinogenic to humans) on the basis of inadequate evidence of carcinogenicity in humans but sufficient evidence in e xperimental animals. There is suggestive, although inconclusive, evidence of the carcinogenicity of PCP from epidemiological studies of populations exposed to mixtures that include PCP. Conclusive evidence of carcinogenicity has been obt...
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ژورنال
عنوان ژورنال: Public Health Reports (1896-1970)
سال: 1962
ISSN: 0094-6214
DOI: 10.2307/4591577