Emissions of organic water pollutants are measured by biochemical oxygen demand, which refers to the amount of oxygen that bacteria in water will consume in breaking down waste. This is a standard water-treatment test for the presence of organic pollutants.
| Date | Value | Change, % |
|---|---|---|
| 2007 | 498,168 | -7.30% |
| 2006 | 537,408 | 1.94% |
| 2005 | 527,203 | 0.40% |
| 2004 | 525,126 | 0.25% |
| 2003 | 523,836 | -3.20% |
| 2002 | 541,142 | -3.60% |
| 2001 | 561,368 | -3.00% |
| 2000 | 578,758 |
Our website uses cookies to improve your online experience. They were placed on your computer when you launched this website. You can change your personal cookie settings through your internet browser settings.
Privacy Policy