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E-Journal of Chemistry
Volume 8 (2011), Issue 4, Pages 2010-2015

Statistical Study of Physicochemical Characteristicsof Wastewater in Odogunyan, Lagos, Nigeria

I. S. Akoteyon and O. Soladoye

Department of Geography & Planning, Lagos State University, Ojo, P.M.B.1087, Apapa, Lagos, Nigeria

Received 7 March 2010; Accepted 5 May 2010

Copyright © 2011 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Physicochemical characteristics of wastewater samples collected from Odogunyan area was studied. Samples collected were designated (OWS1-OWS5) representing 5 sampling points and were analyzed for 14 parameters including; (pH, TSS, TDS, Cl, EC, BOD, COD, DO, Pb, Cr, Cu, Hg, Fe and Zinc) during the month of September 2009. The mean value obtained for total suspended solid & zinc were above FEPA stipulated tolerance limit in OWS2 & OWS5 whereas for zinc, it was above the stipulated limit in OWS2, OWS3 and OWS5. Cr was not detected except in two locations (i.e. OWS3 & OWS5). Although there is no FEPA’s limit for EC, the concentration obtained in OWS2 & OWS5 were relatively higher than the mean obtained. Mercury and Lead were not detected in all the samples.