%0 Journal Article
%T Concentration of Heavy Metals in Respirable Dust in Jos Metropolitan Area, Nigeria
%A Godwin M. Mafuyai
%A Ishaq S. Eneji
%A Rufus Sha¡¯Ato
%J Open Journal of Air Pollution
%P 10-19
%@ 2169-2661
%D 2014
%I Scientific Research Publishing
%R 10.4236/ojap.2014.31002
%X <p style=\"text-align:justify;\">
	<span style=\"font-family:Verdana;\">The
concentration of respirable dust at seven sampling stations in Jos metropolitan
area, w</span><span style=\"font-family:Verdana;\">as</span><span style=\"font-family:Verdana;\"> measured weekly for three consecutive months
(October 2012 to December 2012). Characterization of the dust particles shows
that the concentration of fine dust (&lt;2.5</span><span style=\"font-family:;\" \"=\"\"> </span><span style=\"font-family:Verdana;\">¦Ìm) ranged from 55.0 </span><span style=\"font-family:Verdana;\">-</span><span style=\"font-family:Verdana;\"> 124.9</span><span style=\"font-family:;\" \"=\"\"> </span><span style=\"font-family:;\" \"=\"\"><span style=\"font-family:Verdana;\">¦Ìg/m</span><sup><span style=\"font-family:Verdana;\">3</span></sup><span style=\"font-family:Verdana;\"> while the coarse dust (2.5 </span></span><span style=\"font-family:Verdana;\">-</span><span style=\"font-family:Verdana;\"> 10</span><span style=\"font-family:;\" \"=\"\"> </span><span style=\"font-family:Verdana;\">¦Ìm) varied
from 20.0 </span><span style=\"font-family:Verdana;\">-</span><span style=\"font-family:Verdana;\"> 124.4</span><span style=\"font-family:;\" \"=\"\"> </span><span style=\"font-family:;\" \"=\"\"><span style=\"font-family:Verdana;\">¦Ìg/m</span><sup><span style=\"font-family:Verdana;\">3</span></sup><span style=\"font-family:Verdana;\">. FAAS analysis of the
respirable dust shows that the concentrations of heavy metals ranged from 0.121 </span></span><span style=\"font-family:Verdana;\">-</span><span style=\"font-family:Verdana;\"> 0.832</span><span style=\"font-family:;\" \"=\"\"> </span><span style=\"font-family:Verdana;\">mg/kg Pb, 0.019 </span><span style=\"font-family:Verdana;\">-</span><span style=\"font-family:Verdana;\"> 0.111</span><span style=\"font-family:;\" \"=\"\"> </span><span style=\"font-family:Verdana;\">mg/kg Cr, 0.171 </span><span style=\"font-family:Verdana;\">-</span><span style=\"font-family:Verdana;\"> 1.081</span><span style=\"font-family:;\" \"=\"\"> </span><span style=\"font-family:Verdana;\">mg/kg Fe, 0.002 </span><span style=\"font-family:Verdana;\">-</span><span style=\"font-family:Verdana;\"> 0.056</span><span style=\"font-family:;\" \"=\"\"> </span><span style=\"font-family:Verdana;\">mg/kg Mn, 0.002 </span><span style=\"font-family:Verdana;\">-</span><span style=\"font-family:Verdana;\"> 0.438</span><span style=\"font-family:;\" \"=\"\"> </span><span style=\"font-family:Verdana;\">mg/kg Cd, 0.696 </span><span style=\"font-family:Verdana;\">-</span><span
%K Mass
%K Concentration
%K Respirable Dust
%K Heavy Metals
%K Jos
%K Air Quality
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=43560