Table 04
- Description of industrial pollution in Spain

Description of pollution directly discharged to water by industrial plants in Spain (2001), by specific pollutant.
POLLUTANTS		TOTAL SPAIN			AUTONOMOUS REGIONS WITH HIGHEST EMISSIONS

SUBSTANCES	THRESHOLD (Mt/year)¹	EMISSION (Mt/year)²	PLANTS³	MEAN EMISSION PER PLANT (Mt/year)⁴	REGION	EMISSION (Mt/year)²	PLANTS³	MEAN EMISSION PER PLANT (Mt/year)⁴

GROUP 1: ENVIRONMENTAL THEMES

Nitrogen	50	5255	18	292	Andalusia	1759	4	440
Phosphorus	5	535	25	21	Aragon	175	3	58


GROUP 2: METALS AND COMPOUNDS

Arsenic	0.005	0.412	11	0.037	Catalonia	0.161	3	0.054
Cadmium	0.005	2	16	0.106	Andalusia	1	8	0.133
Chromium	0.050	7	24	0.293	Catalonia	2	7	0.336
Copper	0.050	9	28	0.309	Basque Country	3	5	0.690
Mercury	0.001	0.281	17	0.017	Cantabria	0.102	2	0.051
Nickel	0.020	9	33	0.275	Aragon	3	2	2
Lead	0.020	3	18	0.187	Andalusia	1	5	0.208
Zinc	0.100	137	37	4	Cantabria	97	6	16


GROUP 3: CHLORINATED ORGANIC SUBSTANCES

Dichloroethane-1,2	0.010	0.332	2	0.166	Catalonia	0.308	1	0.308
Chloroalkanes	0.001	0.186	2	0.093	Cantabria	0.161	1	0.161
Hexachlorobutadiene	0.001	0.001	1	0.001	Catalonia	0.001	1	0.001
Halogenated organic compounds	1	319	16	20	Andalusia	100	3	33


GROUP 4: OTHER ORGANIC COMPOUNDS

Benzene, toluene, ethylbenzene, xylenes	0.200	64	4	16	Cantabria	47	1	47
Polycyclic aromatic hydrocarbons	0.005	7	6	1	Cantabria	5	2	2
Phenols	0.020	24	17	1	Andalusia	17	4	4
Total organic carbon	50	31375	55	570	Cantabria	11878	6	1980


GROUP 5: OTHER COMPOUNDS

Chlorides	2000	7696120	11	699647	Basque Country	6517950	3	2172650
Cyanides	0.050	153	5	31	Asturias	151	1	151
Fluorides	2	149	15	10	Asturias	60	2	30

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