Figure 7. Monthly average concentrations of Manganese in ambient particulate matter

From

Analysis of Total Particulate Matter from a Secondary Steel Smelting Industry

M.A. Adeyeye, F.A. Akeredolu, J.A. Sonibare, E.L. Odekanle, D.D. Ajala

Journal of Atmospheric Pollution. 2016, 4(1), 30-34 doi:10.12691/jap-4-1-4