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Prioritizing hazardous pollutants in two Nigerian water supply schemes: a risk-based approach

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Title Prioritizing hazardous pollutants in two Nigerian water supply schemes: a risk-based approach
 
Creator Etchie, Ayotunde T
Etchie, Tunde ogbemi
Adewuyi, Gregory O
Krishnamurthi, Kannan
Sivanesan, Saravana Devi
Wate, S R
 
Subject Environmental Pollution
Water Pollution
 
Description Objective To rank pollutants in two Nigerian water supply schemes according to their effect on human health using a risk-based approach. Methods Hazardous pollutants in drinking-water in the study area were identified from a literature search and selected pollutants were monitored from April 2010 to December 2011 in catchments, treatment works and consumer taps. The disease burden due to each pollutant was estimated in disability-adjusted life years (DALYs) using data on the pollutant’s concentration, exposure to the pollutant, the severity of its health effects and the consumer population.
Findings The pollutants identified were microbial organisms, cadmium, cobalt, chromium, copper, iron, manganese, nickel, lead and zinc. All were detected in the catchments but only cadmium, cobalt, chromium, manganese and lead exceeded World Health Organization (WHO) guideline values after water treatment. Post-treatment contamination was observed. The estimated disease burden was greatest for chromium in both schemes, followed in decreas
 
Publisher WHO,Geneva
 
Date 2013-08
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://neeri.csircentral.net/368/1/BLT.12.115774_Tunde_etal_2013.pdf
Etchie, Ayotunde T and Etchie, Tunde ogbemi and Adewuyi, Gregory O and Krishnamurthi, Kannan and Sivanesan, Saravana Devi and Wate, S R (2013) Prioritizing hazardous pollutants in two Nigerian water supply schemes: a risk-based approach. Bulletin of the World Health Organization, 91 (8). pp. 553-561.
 
Relation http://www.who.int/bulletin/volumes/91/8/en/
http://neeri.csircentral.net/368/