Table 3 Description of pollution discharged into the air 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 | ||||||||
Methane | 100 | 78670 | 58 | 1356 | Aragon | 19048 | 6 | 3175 |
Carbon monoxide | 500 | 243834 | 56 | 4354 | Asturias | 119754 | 5 | 23951 |
Carbon dioxide | 100000 | 155211000 | 153 | 1014451 | Asturias | 23823000 | 13 | 1832538 |
Hydrofluorocarbons | 0.1 | 276 | 5 | 55 | Catalonia | 193 | 4 | 48 |
Nitrous oxide | 10 | 6208 | 37 | 168 | Castile-La Mancha | 1494 | 6 | 249 |
Ammonia | 10 | 24049 | 815 | 30 | Aragon | 10015 | 399 | 25 |
Non-methane volatile organic compounds | 100 | 63781 | 60 | 1063 | Andalusia | 16810 | 7 | 2401 |
Nitrogen dioxide | 100 | 801301 | 217 | 3693 | Catalonia | 394548 | 33 | 11956 |
Perfluorocarbons | 0.1 | 30 | 4 | 8 | Galicia | 18 | 2 | 9 |
Sulphur dioxide | 150 | 1156625 | 156 | 7414 | Galicia | 412414 | 12 | 34368 |
GROUP 2: METALS AND COMPOUNDS | ||||||||
Arsenic | 0.02 | 6 | 33 | 0.17 | Andalusia | 2 | 8 | 0.20 |
Cadmium | 0.01 | 5 | 46 | 0.11 | Basque Country | 1 | 13 | 0.10 |
Chromium | 0.10 | 80 | 40 | 2 | Basque Country | 44 | 11 | 4 |
Copper | 0.10 | 29 | 28 | 1 | Andalusia | 15 | 6 | 2 |
Mercury | 0.01 | 3 | 34 | 0.08 | Catalonia | 0.5 | 8 | 0.06 |
Nickel | 0.05 | 171 | 96 | 2 | Andalusia | 42 | 18 | 2 |
Lead | 0.20 | 100 | 50 | 2 | Basque Country | 53 | 14 | 4 |
Zinc | 0.20 | 655 | 43 | 15 | Basque Country | 368 | 15 | 25 |
GROUP 3: CHLORINATED ORGANIC SUBSTANCES | ||||||||
Dichloroethane-1,2 | 1 | 3 | 1 | 3 | Catalonia | 3 | 1 | 3 |
Dichloromethane | 1 | 61 | 4 | 15 | Madrid Region | 29 | 1 | 29 |
Hexachlorobenzene | 0.01 | 0.03 | 2 | 0.02 | Extremadura | 0.02 | 1 | 0.02 |
Dioxins and furans | 0.000001 | 0.0002 | 11 | 0.00002 | Basque Country | 0.0001 | 2 | 0.00005 |
Tetrachloroethylene | 2 | 72 | 1 | 72 | Basque Country | 72 | 1 | 72 |
Tetrachloromethane | 0.10 | 0.50 | 1 | 0.50 | Catalonia | 0.50 | 1 | 0.50 |
Trichloroethylene | 2 | 81 | 3 | 27 | Castile & Leon | 62 | 1 | 62 |
Trichloromethane | 0.50 | 23 | 2 | 12 | Andalusia | 18 | 1 | 18 |
GROUP 4: OTHER ORGANIC COMPOUNDS | ||||||||
Benzene | 1 | 197 | 20 | 10 | Andalusia | 97 | 5 | 19 |
Polyciclic aromatic hydrocarbons | 0.05 | 21 | 16 | 1 | Andalusia | 12 | 3 | 4 |
GROUP 5: OTHER COMPOUNDS | ||||||||
Chlorine and inorganic compounds | 10 | 2217 | 44 | 50 | Andalusia | 1582 | 13 | 122 |
Fluorine and inorganic compounds | 5 | 2091 | 35 | 60 | Andalusia | 1122 | 15 | 75 |
HCN | 0.2 | 4 | 6 | 0.6 | Basque Country | 4 | 6 | 0.6 |
PM10 | 50 | 43575 | 119 | 366 | Castile & Leon | 11547 | 10 | 1155 |