Bulletin of the National Research Centre

Table 3 Particulate heavy metals concentrations in Enugu and a reference station ERR during August break

From: Multivariate analysis and spatial distribution of suspended particulate metals of Abakaliki and Enugu in Southeastern Nigeria

	ECM	ERS	EIN	EMN	ERR
Zn (µg/m³)	0.040	0.002	0.040	0.040	ND
Zn (µg/m³)	0.050	0.005	0.003	0.003	ND
Zn (µg/m³)	0.040	ND	0.035	0.035	ND
Zn (µg/m³)	0.040	0.003	0.023	0.023	ND
Mean	0.043	0.003	0.025	0.025	0.00
Median	0.040	0.003	0.030	0.030	0.00
SD	0.005	0.002	0.016	0.016	0.00
Pb (µg/m³)	0.590	0.110	0.300	0.610	0.180
Pb (µg/m³)	0.650	0.090	0.260	0.650	0.170
Pb (µg/m³)	0.650	0.130	0.290	0.590	0.190
Pb (µg/m³)	0.640	0.130	0.270	0.590	0.200
Mean	0.632	0.115	0.280	0.610	0.185
Median	0.645	0.120	0.280	0.600	0.185
SD	0.028	0.019	0.018	0.028	0.013

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