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Table 2 Particulate heavy metals concentrations in Abakaliki and a reference station ARR during August break

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

  ACM ARS AIN AMN ARR
Zn (µg/m3) 0.040 0.040 0.040 0.040 0.030
Zn (µg/m3) 0.040 0.040 0.040 0.040 0.030
Zn (µg/m3) 0.040 0.030 0.030 0.030 0.030
Zn (µg/m3) 0.040 0.030 0.020 0.030 0.030
Mean 0.040 0.035 0.033 0.035 0.030
Median 0.040 0.035 0.035 0.035 0.030
SD 0.000 0.005 0.009 0.005 0.000
Pb (µg/m3) 0.42 0.09 0.57 0.67 0.26
Pb (µg/m3) 0.40 0.09 0.26 0.80 0.28
Pb (µg/m3) 0.35 0.06 0.32 0.70 0.16
Pb (µg/m3) 0.46 0.07 0.09 0.91 0.14
Mean 0.41 0.08 0.31 0.77 0.21
Median 0.41 0.08 0.29 0.75 0.21
SD 0.05 0.02 0.20 0.11 0.07