@incollection{,
	
					
					
					3B013E49CC69E59D96B405E47409C68D
				,
	author={{A,UZOIJEA.P} and {Dr. ONUNKWO aA} and {Federal University of Technology Owerri}},
	journal={{Global Journal of Researches in Engineering}},
	journal={{GJRE}}2249-45960975-586110.34257/gjre,
	address={Cambridge, United States},
	publisher={Global Journals Organisation}1141522
}

@book{b0,
	
	
		,
	title={{Trace element in terrestrial environments 2 nd ed}}
		,
	author={{
			PAifred
		}}
		
			,
	year={1992}
			,
	publisher={Springer pp 92}
			,
	address={New York}
		
	

}

@book{b1,
	
	
		,
	title={{S Prof paper no 4980) chemical properties of ground water and their corrosion and encrustation effects on wells pp 58}}
		,
	author={{
			Barnes
		} and {
			FEClarike
		}}
		
		
			,
	year={1980}
			,
	address={US G}
		
	

}

@book{b2,
	
	
		,
	title={{Surface water pollutant and its control, Mac millan}}
		,
	author={{
			DEDavies
		} and {
			Wiest
		}}
		
		
			,
	year={1985. London pp25}
		
	

}

@book{b3,
	
	
		,
	title={{Ground water quality assessment of the central Oklahoma Aguiffer Published by G.P. Oklahoma pp}}
		,
	author={{
			CAEllis
		}}
		
			,
	year={1988}
			
		
	

}

@book{b4,
	
	
		,
	title={{}}
		,
	author={{
			JOEtu Efeotor
		}}
		
			,
	year={1988}
		
	

}

@book{b5,
	
	
		,
	title={{Waste water and health in hot climates}}
		,
	author={{
			RFeachem
		} and {
			MChem
		} and {
			MDuncen
		}}
		
		
		
			,
	year={1998}
			,
	publisher={John Wiley and Sons Chichester}
			4
		
	
	,
	note={th ed. pp 164}

}

@incollection{b6,
	
	
		,
	title={{Classification of formation of formation waters based on sodium chloride content}}
		,
	author={{
			HGorrrel
		}}
	
	
		,
	journal={{Amer. Ass of pet Geologists Bull}}
		
			42
			,
	year={1990}
		
	

}

@book{b7,
	
	
		,
	author={{
			Horton
		}}
		,
	title={{An index number rating system for rating water quality pollution control pp 37}}
				
			,
	year={1995}
		
	

}

@book{b8,
	
	
		,
	author={{
			NIloeje
		}}
		,
	title={{A new Geolography of Nigeria (A new revised edition) published in Great Britian by William Clowes Beccles Ltd}}
				London
		
			,
	year={1981}
			
		
	

}

@book{b9,
	
	
		,
	title={{Instruction to microbiology 2 nd ed, Krieger publishing company pp. 21. 11. Onunkwo-Akunne, A and Ahiarakwem C.A, 2001. Hydrocarbon and environment, cape publishers}}
		,
	author={{
			CHMartin
		}}
		,
	editor={Alaenyi St. Owerri}
		
			,
	year={1997}
		
	

}

@book{b10,
	
	
		,
	title={{Portability of groundwater from rima group aquifer in the Sokoto basin of Nigeria, for mining and geology}}
		,
	author={{
			COteze
		}}
		
			,
	year={1991}
			
		
	

}

@book{b11,
	
	
		,
	author={{
			PCOmidiran
		}}
		,
	title={{Fundamentals of geology 3}}
				
			,
	year={2000}
		
	
	,
	note={rd ed. W.B. standards company, Philadelphia pp 270}

}

@book{b12,
	
	
		,
	title={{Proceedings of Delegate conference of the Nigeria academy of science}}
		,
	author={{
			MEOffodile
		}}
		
			,
	year={1987}
			
		
	
	,
	note={Water resources management and the Nigerian groundwater system}

}

@incollection{b13,
	
	
		,
	title={{The post cretaceous stratigraphy of southern Nigeria}}
		,
	author={{
			Parkinson
		}}
	
	
		,
	journal={{jour. Geol. Surv. London}}
		
			63
			,
	year={1970}
		
	

}

@incollection{b14,
	
	
		,
	title={{A graphical procedure in geological interpretation of water analysis}}
		,
	author={{
			AMPiper
		}}
	
	
		,
	journal={{Trans American Geophysics Union}}
		
			25
			
			,
	year={1944}
		
	

}

@book{b15,
	
	
		,
	title={{Guide to groundwater vulnerability mapping in}}
		,
	author={{
			RCPalmer
		} and {
			LPHolman
		} and {
			MALewis
		}}
		
		
		,
	editor={England and H.M.S}
		
			,
	year={1997}
			,
	publisher={London Claredon Press}
			
		
	

}

@book{b16,
	
	
		,
	title={{Land application of wastes vol I}}
		,
	author={{
			CLRaymond
		}}
		
			,
	year={1979}
			
		
	

}

@book{b17,
	
	
		,
	title={{Aspect of the geology of Nigeria}}
		,
	author={{
			RARaiment
		}}
		
			,
	year={1965}
			,
	publisher={Ibadan University Press pp}
			
		
	

}

@book{b18,
	
	
		,
	title={{Groundwater Hydrology}}
		,
	author={{
			DKTodd
		}}
		
			,
	year={1959}
			
		
	

}

@incollection{b19,
	
	
		,
	title={{}}
	
	
		,
	journal={{Global Journal of Research in Engineering}}
		
			XI
			,
	year={April 2011}
		
	

}