| Year | Waste |
Wastewater |
Air |
|---|---|---|---|
| 2001 | 3.5 |
11.1 |
9.9 |
| 2002 | 2.5 |
11.5 |
4.5 |
| 2003 | 4.8 |
1.6 |
4.6 |
| 2004 | 3.4 |
2.5 |
3.5 |
| Year | Waste |
Wastewater |
Air |
|---|---|---|---|
| 2001 | 29.1 |
10.6 |
1.7 |
| 2002 | 29.7 |
15.2 |
2.4 |
| 2003 | 25.8 |
11.4 |
1.8 |
| 2004 | 30.3 |
10.5 |
2.3 |
In 2004, there was a decrease in capital investment of 14.5% and an increase in operations and maintenance costs of 10.3%. Capital investment has decreased since 2001 due to cost control measures and rationalisation of manufacturing sites. Operation and maintenance costs are cyclical and therefore vary year on year.
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