Overview of Air Pollution Assessment in Northern Europe (Lithuania) by Passive Diffusion Sampling

Table 2

The measurement periods.

Season	Period	From	To
I autumn	1	5.11.2010	17.11.2010
	2	17.11.2010	1.12.2010
II winter	3	6.1.2011	20.1.2011
	4	20.1.2011	3.2.2011
III spring	5	25.2.2011	8.4.2011
	6	8.4.2011	22.4.2011
IV summer	7	6.6.2011	20.6.2011
	8	20.6.2011	4.7.2011