Figure 4.

Chemical activities in the test soil (◆) compared to activities in the gas phase of Heraklion (GR) inner city air (□). The latter are based (see Additional File 1) on gas phase concentrations, measured by high-volume sampling and reported in [39].

Reichenberg et al. Chemistry Central Journal 2008 2:8   doi:10.1186/1752-153X-2-8
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