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Journal of Applied Sciences and Environmental Management
World Bank assisted National Agricultural Research Project (NARP) - University of Port Harcourt
ISSN: 1119-8362
Vol. 20, No. 4, 2016, pp. 1119-1124
Bioline Code: ja16121
Full paper language: English
Document type: Research Article
Document available free of charge

Journal of Applied Sciences and Environmental Management, Vol. 20, No. 4, 2016, pp. 1119-1124

 en Evaluation of Bisphenol A, Physicochemical Properties and Microbial Characterization of Borehole Water Stored in Plastic Containers
ADEGHE, O.M. & EMEJULU, M.J.

Abstract

The aim of this study was to evaluate the bisphenol A (BPA), physicochemical properties and microbial characterization of borehole water stored in plastic containers. Three brands of plastic containers filled with borehole water were collected from homes in Ugbowo, Benin city. Physicochemical parameters were determined using standard methods. Total bacterial and coliform counts were determined using the pour plate technique. Conductivity, TDS, Chloride, Sulphate and Nitrate were within the recommended standards while turbidity and total iron were above recommended standards. The isolates identified include: Klebsiella check for this species in other resources sp, Bacillus check for this species in other resources sp, E. coli check for this species in other resources , Pseudomonas aeruginosa check for this species in other resources , Aspergillus flavus check for this species in other resources , Saccharomyces sp check for this species in other resources and Aspergillus niger check for this species in other resources . The total bacterial count in the water samples ranged from 1.4×103cfu/ml to1.8×103cfu/ml at week four while fungal counts was 1.3×102cfu/ml to 1.6×102cfu/ml. Bisphenol A (BPA) was discovered to leach at detectable levels from the plastic containers as storage increased. The result of the Bisphenol A analysis revealed that BPA congeners ranged from 0.023mg/l within days of collection to 0.251ml/l at the fourth week of storage. This study has shown that storage of borehole water in plastic containers for prolonged period affects the bacteriological and chemical properties of the water; hence storage of borehole water in plastic for prolonged periods should be discouraged and discontinued.

Keywords
Plastic contaminant; physicochemical properties; Borehole water; Bisphenol A; Microbial characterization; Storage period

 
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