Acid rain and ozone precursors (in tonnes)
| |
1990 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
2002 |
| Sulphur Dioxide (SO2) |
185,786 |
147,380 |
166,114 |
176,061 |
157,369 |
131,489 |
125,792 |
96,246 |
| Nitrogen Oxides (NOX) |
122,410 |
126,710 |
124,502 |
128,607 |
126,334 |
132,691 |
134,956 |
125,257 |
| Ammonia (NH3) |
112,317 |
121,941 |
123,397 |
126,551 |
126,987 |
122,440 |
122,599 |
118,973 |
| Volatile Organic Compounds (VOC) |
110,940 |
111,930 |
115,730 |
117,740 |
98,670 |
90,330 |
86,990 |
81,418 |
| Carbon Monoxide (CO) |
400,920 |
306,832 |
312,159 |
317,732 |
285,310 |
279,571 |
269,690 |
254,119 |
|
|
| Total |
932,373 |
814,793 |
841,902 |
866,691 |
794,670 |
756,521 |
740,027 |
676,013 |
Source: Environmental Protection Agency |
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