Impacts of industrial effluent and dumpsite leachate discharges on the quality of groundwater in Oyo state, Nigeria
Abiola OP. 2010. Lead and coliform contaminants in potable groundwater sources in Ibadan, South-West Nigeria. Journal of Environmental Chemistry and Ecotoxicology 2(5), 79-83.
Ajayi SO, Mombeshora C. 1989. Sedimentary trace metals in lakes in Ibadan, Nigeria. Science for Total Environment 87, 77-84.
APHA-AWWA-WPCF 2005. Standard Methods for the examination of water and wastewater, edited by Anold, E.G. Joseph, J.C. and David, J. 15th edition, R. R. Donelley and Sons Company, U.S.A. p547.
Dawodu MO, Ipeaiyeda AR. 2008. Evaluation of groundwater and stream quality characteristics in the vicinity of a battery factory in Ibadan, Nigeria African Journal of Biotechnology 7 (12), p1933-1938
Michael JT. 1950. Phenoldisulphoric Acid method of determining nitrate in water. Analytical Chemistry 22(8), 1020 – 1022.
Mombeshora C, Ajayi SO, Osibanjo O. 1981. Pollution studies of Nigerian River I: Toxic heavy metals status of surface waters in Ibadan city. Environmental International 5, 49 – 53.
Nkolika IC, Onianwa PC. 2011. Preliminary study of the impact of poor waste management on the physicochemical properties of ground water in some areas of Ibadan. Research Journal of Environmental Sciences. 5, 194-199.
NORAD 1996. Initial Environmental Assessment Services; Pollution from waste. Oil and Gas No. 14
Ojo O. 1995. Assessing and Managing Health Risks from Drinking Water Contamination: Approaches and Applications (Proceedings of the Rome Symposium, September 1994). IAHS Publ. no. 233, 1995.
Osibanjo O. 1994. Present water quality status in Nigeria. Federal Environmental Protection Agency, Lagos.
World Resources 1998. A guide to the Global Environment. (WR1, 1998, 386 pages), Part 1; Environmental Change and Human Health.