Table 2. Weight Percentages of the Particles Found in the Road Dust Sample According to the Density Range (wt%)

Density (g/cm3)	TRWP	APWP	PRP	RPWP	PP	Sum
1.10-1.20	-	-	0.20	-	0.03	0.23
1.20-1.30	0.28	-	0.21	-	0.03	0.52
1.30-1.40	0.33	-	0.39	-	0.14	0.86
1.40-1.50	0.22	-	0.36	0.08	0.03	0.69
1.50-1.60	0.33	-	0.27	0.08	0.07	0.75
1.60-1.70	0.01	0.18	0.77	0.24	0.03	1.23
1.70-1.80	0.01	0.45	0.99	0.21	0.08	1.74
Sum	1.18	0.63	3.19	0.61	0.41	6.02