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Emissions to air of PAHs, heavy metals and dioxins, by source. kg. Dioxins in g¹²
	1990	1995	2000	2005	2010	2011	2012
¹Does not include international sea and air traffic.
²PAHs: Polycyclic aromatic hydrocarbons
PAH, total	304 687	235 187	223 737	247 017	98 039	95 666	86 054
Aluminium - process emissions	203 402	138 410	125 300	170 930	29 747	34 538	25 579
Combustion in households, mainly fuelwood use	50 964	53 360	55 235	42 751	38 392	32 523	32 874
Road traffic - combustion	6 880	6 924	5 837	7 534	9 895	10 150	10 492
Use of solvent-containing products	12 943	9 454	7 114	9 390	8 430	7 232	5 716
Other sources	30 499	27 038	30 251	16 412	11 576	11 223	11 392

PAH-4, total	36 507	26 516	24 532	30 033	8 499	8 854	7 641
Aluminium - process emissions	30 509	20 760	18 735	25 605	4 410	5 111	3 833
Combustion in households, mainly fuelwood use	2 727	2 854	2 960	2 348	2 171	1 827	1 841
Road traffic - combustion	796	800	674	856	1 092	1 117	1 150
Road traffic - tyre and brake wear	161	167	187	214	245	247	253
Other sources	2 314	1 934	1 976	1 010	581	551	564

Lead, total	188 738	24 594	9 841	8 440	5 718	6 208	5 570
Metal industry -process emissions	4 681	4 772	4 046	3 685	939	1 743	1 261
Aviation	2 311	1 537	1 767	1 585	1 274	1 217	1 104
Road traffic - tyre and brake wear	1 106	1 162	1 289	1 478	1 663	1 676	1 716
Road traffic - combustion	167 970	12 118	157	198	250	256	263
Manufacturing and mining - stationary combustion	690	883	699	606	759	687	604
Other sources	11 981	4 121	1 883	888	832	629	621

Mercury, total	1 423	795	683	616	464	414	396
Manufacturing and mining - stationary combustion	86	86	70	78	62	56	38
Road traffic - combustion	16	16	16	16	15	14	14
Energy supply, included waste incineration	98	48	37	13	24	18	21
Use of products	285	75	38	50	27	27	27
Metal industry -process emissions	615	283	265	176	57	55	51
Other sources	324	286	257	283	280	244	245

Kadmium, total	1 174	1 047	778	638	582	582	477
Wood processing - stationary combustion	121	138	115	123	128	133	85
Combustion in households, mainly fuelwood use	106	109	119	133	148	130	136
Metal industry -process emissions	546	470	267	177	81	110	50
Other sources	402	330	277	205	225	208	206

Copper, total	25 743	22 900	23 694	25 872	26 967	28 837	29 018
Road traffic - tyre and brake wear	9 658	10 127	11 239	12 885	14 547	14 661	15 008
Road traffic - combustion	4 134	4 375	4 517	5 166	5 606	5 582	5 624
Use of products - wires for electric trains	904	940	990	990	990	990	990
Metal industry -process emissions	5 966	3 805	3 683	3 228	1 778	3 733	3 759
Manufacturing and mining - stationary combustion	1 161	1 538	1 355	1 445	1 629	1 577	1 342
Other sources	3 920	2 115	1 911	2 158	2 418	2 296	2 296

Chromium, total	12 793	11 353	8 702	3 111	2 892	2 748	2 520
Metal industry -process emissions	8 493	8 397	6 229	377	141	294	225
Chemical industries - process emissions	1 949	495	244	142	64	52	40
Manufacturing and mining - stationary combustion	1 213	1 662	1 423	1 443	1 600	1 469	1 298
Road traffic - tyre and brake wear	42	48	51	59	58	59	59
Road traffic - combustion	122	129	133	152	165	164	166
Other sources	975	622	622	938	865	711	731

Arsenic, total	3 508	3 300	2 900	1 929	1 816	1 755	1 326
Manufacturing and mining - stationary combustion	418	438	350	350	339	334	239
Combustion in households, mainly fuelwood use	193	190	203	221	243	214	222
Chemical industries - process emissions	666	704	751	21	20	17	12
Metal industry -process emissions	1 707	1 611	1 238	942	764	749	408
Other sources	525	356	357	396	450	441	445

Dioxins, total	126	68	33	23	25	23	22
Mining, except coal mines - process emissions	51	37	.	.	.	.	.
Energy supply, included waste incineration	13	3	2	1	1	1	1
Combustion in households, mainly fuelwood use	6	6	7	8	9	8	8
Metal industry -process emissions	33	7	7	3	3	3	2
Other sources	24	14	17	11	13	12	12

StatBank source table 09010