Source	Mileage	TSP	PM10	PM2.5	As	Cd	Cr	Cu	Hg	Ni	Pb	Se	Zn
	[1000 km]	[mg/km]	[mg/km]	[mg/km]	[μg/km]	[μg/km]	[μg/km]	[μg/km]	[μg/km]	[μg/km]	[μg/km]	[μg/km]	[μg/km]
Brake wear	40007188	7.5	7.3	2.9	0.1	0.1	0.8	787.9	0.0	0.8	103.9	0.1	151.2
Brake wear	9350794	13.6	13.3	5.3	0.1	0.1	1.4	1426.6	0.0	1.4	188.1	0.3	273.8
Brake wear	3141941	34.7	34.0	13.5	0.3	0.1	5.7	261.5	0.0	4.0	14.1	0.7	260.7
Brake wear	789670	47.2	46.3	18.4	0.5	0.1	3.0	646.4	0.0	7.5	34.5	0.9	440.7
Brake wear	227278	6.2	6.1	2.4	0.1	0.1	0.7	649.2	0.0	0.7	85.6	0.1	124.6
Brake wear	591045	4.2	4.1	1.6	0.0	0.0	0.4	440.4	0.0	0.4	58.1	0.1	84.5
Road abrasion	40007188	15.0	7.5	4.1	0.0	0.0	0.3	0.1	0.0	0.2	0.7	0.0	1.1
Road abrasion	9350794	15.0	7.5	4.1	0.0	0.0	0.3	0.1	0.0	0.2	0.7	0.0	1.1
Road abrasion	3141941	76.0	38.0	20.5	0.0	0.0	1.5	0.8	0.0	1.2	3.6	0.0	5.7
Road abrasion	789670	76.0	38.0	20.5	0.0	0.0	1.5	0.8	0.0	1.2	3.6	0.0	5.7
Road abrasion	227278	6.0	3.0	1.6	0.0	0.0	0.1	0.1	0.0	0.1	0.3	0.0	0.5
Road abrasion	591045	6.0	3.0	1.6	0.0	0.0	0.1	0.1	0.0	0.1	0.3	0.0	0.5
Tyre wear	40007188	10.8	6.5	4.6	0.0	0.0	0.0	0.2	0.0	0.3	0.9	0.2	118.5
Tyre wear	9350794	17.2	10.3	7.2	0.0	0.0	0.1	0.3	0.0	0.4	1.4	0.3	187.7
Tyre wear	3141941	65.1	39.1	27.4	0.1	0.2	0.2	1.0	0.0	1.7	5.2	1.3	712.4
Tyre wear	789670	61.1	36.6	25.7	0.0	0.2	0.2	1.0	0.0	1.6	4.9	1.2	667.9
Tyre wear	227278	14.2	8.5	6.0	0.0	0.0	0.1	0.2	0.0	0.4	1.1	0.3	154.9
Tyre wear	591045	17.8	10.7	7.5	0.0	0.0	0.1	0.3	0.0	0.5	1.4	0.4	194.1
Total	40007188	33.3	21.3	11.5	0.1	0.1	1.1	788.3	0.0	1.3	105.5	0.4	270.8
Total	9350794	45.7	31.1	16.6	0.1	0.2	1.8	1427.0	0.0	2.1	190.2	0.6	462.6
Total	3141941	175.8	111.1	61.4	0.4	0.3	7.4	263.3	0.0	6.8	22.9	2.0	978.8
Total	789670	184.3	120.9	64.6	0.5	0.3	4.8	648.1	0.0	10.3	43.0	2.2	1114.3
Total	227278	26.3	17.6	10.0	0.1	0.1	0.8	649.5	0.0	1.1	87.0	0.4	280.0
Total	591045	27.9	17.8	10.7	0.1	0.1	0.6	440.7	0.0	1.0	59.8	0.4	279.1
Last updated: 04-01-2012