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Nitrogen oxides as nitrogen dioxide
Particulates < 10 µm (hourly measured)
Particulates < 2.5 µm (hourly measured)
The monitoring station is within a self-contained, air conditioned housing located approximately 40 metres from the nearest road in a suburban background setting. The manifold inlet is approximately 3 metres above ground level. The surrounding area is generally open and comprises residential dwellings and gardens.