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Table 9 Correlation matrix of selected heavy metals in groundwater of the study area

From: Iron, manganese, cadmium, chromium, zinc and arsenic groundwater contents of Agbor and Owa communities of Nigeria

Correlations
	Fe	Mn	Zn
Fe	1	0.146	0.407
Mn	0.146	1	−0.493
Zn	0.407	−0.493	1

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