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Research Article Open Access

Evaluation of Nickel in Paints Scrapings Obtained from Selected Rural Areas in Lagos, Nigeria

Abstract

The primary aim of this study was to evaluate the occurrence and concentrations of nickel in painted walls of selected rural residential buildings in Lagos, Nigeria with a view to determine the health risk of the occupants. Microorganisms isolated were Bacillus subtilis, B. brevis, B. megaterium, B. circulans and Enterobacter gergoviae with population density ranging from 1.0 - 2.1 and 0.5 -1.9 x 105 cfu/g in the outdoor and indoor samples respectively. Nickel concentration was determined by the atomic absorption spectrometry (AAS). Here we reported the detection of nickel in all samples obtained from thirteen rural locations with concentrations ranging from 2.240 to 11.353 and from 1.241 to 13.309 mg/l in outdoor and indoor samples respectively. Nickel concentrations showed the levels were above the maximum permissible limits recommended by USEPA. The rural populace in these areas may be at risk.

Obidi Olayide Folashade

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