Table 1.

Sampling site description of the Lech Wałesa Airport at Gdańsk Rębiechowo.

Sample code	Comments
1	Airport apron close to the runway.
2	Service road to the runway for ground staff, fire brigade, rescue teams.
3	Airport aprons close to the passenger terminal with parked aircraft.
4	Machinery park—parking and garages for ground staff, fire brigade and rescue team vehicles.
5	Entry gate to the airport premises.