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Table of air quality objectives
| Pollutant | Concentration | Measured as | Date to be achieved by |
|---|---|---|---|
| Benzene | 16.25 µg/m3 | Running annual mean | 31.12.2003 |
| 5.00 µg/m3 | Annual mean | 31.12.2010 | |
| 1,3-Butadiene | 2.25 µg/m3 | Running annual mean | 31.12.2003 |
| Carbon Monoxide | 10.0 mg/m3 | Running 8-hour mean | 31.12.2003 |
| Lead | 0.5 µg/m3 | Annual Mean | 31.12.2004 |
| 0.25 µg/m3 | Annual mean | 31.12.2008 | |
| Nitrogen dioxide | 200 µg/m3 Not to be exceeded more than 18 times a year | 1-hour mean | 31.12.2005 |
| 40 µg/m3 | Annual mean | 31.12.2005 | |
| Particulates (PM 10) (gravimetric) | 50 µg/m3 Not to be exceeded more than 35 times a year | 24 hour mean | 31.12.2004 |
| 40 µg/m3 | Annual mean | 31.12.2004 | |
| Sulphur dioxide | 350 µg/m3 Not to be excceded more than 24 times a year | 1-hour mean | 31.12.2004 |
| 125 µg/m3 Not to be exceeded more than 3 times a year | 24-hour mean | 31.12.2004 | |
| 266 µg/m3 Not to be exceeded more than 35 times a year | 15-minute mean | 31.12.2005 |
