Skip to main content

Table 4 Description of pollution directly discharged to water by industrial plants in Spain (2001), by specific pollutant.

From: Description of industrial pollution in Spain

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