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Umadevi A.G.,Urummu Dhanalakshmi College | George M.,Sacred Heart College | Dharmalingam P.,Urummu Dhanalakshmi College | Abraham J.P.,Center for Environmental and Radiological science | And 4 more authors.
E-Journal of Chemistry | Year: 2010

The physical and chemical properties of groundwater in Eloor, an industrial region, have been investigated to evaluate the extent of pollution. The study area was divided into four zones and a total of 40 water samples from different locations were collected, analyzed and correlation analysis has been carried out among the measured parameters. A comparison of the observed parameters with the limits prescribed by BIS revealed that in some area pH values are lower than the prescribed limit. The concentration of the major cations and anions were found to be significant. Magnesium and chloride exceed the desirable limit in some areas but less than the upper limit prescribed by BIS. Significant linear relationship was observed between pH, electrical conductivity, alkalinity, hardness, Ca2+, Mg2+and chloride. The importance of these parameters in predicting the quality characteristics of groundwater is discussed. Source


Umadevi A.G.,Center for Environmental and Radiological science | Umadevi A.G.,Sacred Heart College | Balakrishnan D.,Center for Environmental and Radiological science | Abraham J.P.,Center for Environmental and Radiological science | And 8 more authors.
Indian Journal of Environmental Protection | Year: 2012

The present study aimed at determining seasonal variation of iron concentration in the ground water and surface water of Eloor, an industrial belt in the Ernakulam district of Kerala. A total of 80 water samples were collected during pre monsoon, monsoon and post monsoon period from various locations of the study area during the year 2010. Iron concentrations were determined by ultra violet spectrophotometeric screening method. Slightly higher iron concentration was observed in the samples collected near to industrial region. From the results it is seen that 23% and 13% of the ground water samples analysed during pre monsoon and monsoon seasons, respectively exceed the maximum permissible limit prescribed by WHO. About 13% the surface water samples collected during pre monsoon and 10% of the samples collected during the monsoon period exceed the maximum permissible limit prescribed by WHO. Both the ground water and surface water samples analysed during the post monsoon period lies within the maximum permissible limit prescribed by WHO. © 2012 - Kalpana Corporation. Source


Umadevi A.G.,Center for Environmental and Radiological science | Balakrishnan D.,Center for Environmental and Radiological science | Aneymol V.S.,Center for Environmental and Radiological science | Prema A.K.,Center for Environmental and Radiological science | And 7 more authors.
Indian Journal of Environmental Protection | Year: 2011

Studies on the bacteriological quality of ground water samples in Eloor, Ernakulam district of Kerala was conducted during May 2010. A total of 30 water samples were collected and analyzed for various water quality parameters by adopting APHA standard methods and the parameters were compared with WHO standards. Present study revealed that bacteriological quality was not under acceptable level and 36 % of the samples were contaminated with coliforms. Chemical oxygen demand (COD) of 23 % of the samples exceeds the maximum limit prescribed by WHO. The results of bacterial diversity analysis indicated that in the tested ground water samples there exists various type of disease causing microorganisms, such as E.coli, Enterobacter, Staphylococcus, Pseudomonas, Klebsiella. From the analyzed water samples concerned, the potential risk of getting infected by water borne diseases is always there if used without proper purification. © 2011 - Kalpana Corporation. Source

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