Distribution Pattern of Metals in Atmospheric Settling Dust along Roads in Kano Metropolis, Nigeria

Table 1

Mean traffic density/hour.

Sampling site code	Sampling site	Average traffic volume per hr
		Number of motorcycles	Number of vehicles	Number of trucks/lorries	Total
1	Aminu Kano	1902 ± 12	2634 ± 10	196 ± 2	4732
2	Zoo	2011 ± 20	1504 ± 8	121 ± 5	3636
3	Dan Agundi	1206 ± 15	1935 ± 12	216 ± 2	2831
4	Kofar Nassarawa	1323 ± 13	1801 ± 19	46 ± 2	3170
5	Rimi Market	3005 ± 10	2008 ± 14	25 ± 2	5038
6	Sani Abacha	6857 ± 23	1292 ± 13	207 ± 2	8357
7	Ibo Road	2464 ± 19	1845 ± 19	35 ± 5	4344
8	Court/France	2651 ± 18	1041 ± 9	16 ± 2	3708
9	Kofar Mazugal	1995 ± 21	2836 ± 12	149 ± 2	4180
10	Zungeru/Airport	1443 ± 11	2366 ± 17	198 ± 3	4007
C	Farm Center	Nil	Nil	Nil	Nil