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Emissions to air of PAHs, heavy metals and dioxins, by source. kg. Dioxins in g¹²
	1990	1995	2000	2005	2012	2013	2014
¹Does not include international sea and air traffic.
²PAHs: Polycyclic aromatic hydrocarbons
PAH, total	304 693	235 194	223 749	247 034	86 511	87 192	82 674
Aluminium - process emissions	203 402	138 410	125 300	170 930	25 579	34 103	30 576
Combustion in households, mainly fuelwood use	50 964	53 360	55 235	42 751	32 803	24 482	21 275
Road traffic - combustion	6 880	6 924	5 837	7 534	10 482	10 665	10 920
Use of solvent-containing products	12 943	9 454	7 114	9 390	5 716	6 683	8 109
Other sources	30 505	27 045	30 262	16 428	11 932	11 258	11 795

PAH-4, total	36 507	26 516	24 532	30 033	7 666	8 368	7 728
Aluminium - process emissions	30 509	20 760	18 735	25 605	3 833	5 052	4 451
Combustion in households, mainly fuelwood use	2 727	2 854	2 960	2 348	1 836	1 396	1 222
Road traffic - combustion	796	800	674	856	1 149	1 167	1 193
Road traffic - tyre and brake wear	161	167	187	214	253	253	251
Other sources	2 314	1 934	1 976	1 010	594	499	610

Lead, total	187 980	24 579	9 795	8 364	5 611	5 534	5 650
Metal industry -process emissions	4 681	4 772	4 046	3 685	1 261	1 381	1 087
Aviation	2 311	1 537	1 767	1 585	1 104	800	1 139
Road traffic - tyre and brake wear	1 106	1 162	1 289	1 478	1 716	1 712	1 697
Road traffic - combustion	167 970	12 118	157	198	263	267	273
Manufacturing and mining - stationary combustion	690	883	699	590	603	777	810
Other sources	11 223	4 106	1 836	829	665	598	644

Mercury, total	1 476	823	705	627	399	397	351
Manufacturing and mining - stationary combustion	86	86	70	78	38	36	29
Road traffic - combustion	16	16	16	16	14	13	13
Energy supply, included waste incineration	98	48	37	13	23	19	17
Use of products	285	75	38	50	22	20	18
Metal industry -process emissions	615	283	265	176	51	53	42
Other sources	377	314	279	294	252	257	232

Kadmium, total	1 503	1 223	923	703	517	478	413
Wood processing - stationary combustion	121	138	121	123	85	54	19
Combustion in households, mainly fuelwood use	106	109	119	133	135	109	94
Metal industry -process emissions	546	470	267	177	50	54	41
Other sources	730	506	416	270	247	261	260

Copper, total	23 975	22 854	23 713	25 850	29 096	28 539	28 182
Road traffic - tyre and brake wear	9 658	10 127	11 239	12 885	15 008	14 982	14 852
Road traffic - combustion	4 134	4 375	4 517	5 166	5 620	5 607	5 654
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	3 759	3 082	2 972
Manufacturing and mining - stationary combustion	1 161	1 538	1 355	1 445	1 336	1 598	1 552
Other sources	2 153	2 069	1 930	2 136	2 383	2 280	2 162

Chromium, total	11 262	11 354	8 750	3 100	2 592	2 995	3 038
Metal industry -process emissions	8 493	8 397	6 229	377	225	320	333
Chemical industries - process emissions	474	526	315	142	38	36	57
Manufacturing and mining - stationary combustion	1 213	1 662	1 423	1 443	1 309	1 706	1 773
Road traffic - tyre and brake wear	42	48	51	59	59	58	58
Road traffic - combustion	122	129	133	152	166	165	167
Other sources	918	593	599	927	794	709	650

Arsenic, total	3 488	3 289	2 891	1 925	1 340	1 361	1 237
Manufacturing and mining - stationary combustion	418	438	350	350	234	204	148
Combustion in households, mainly fuelwood use	193	190	203	221	221	179	154
Chemical industries - process emissions	666	704	751	21	17	7	4
Metal industry -process emissions	1 707	1 611	1 238	942	408	533	511
Other sources	504	345	349	392	461	438	421

Dioxins, total	120	64	30	22	21	21	17
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	8	6	5
Metal industry -process emissions	33	7	7	3	2	4	2
Other sources	17	11	14	10	11	10	9

StatBank source table 09010