_id
Sampling type
Hg/SO2
1
Ground
2.5e-07
2
Ground
6e-07
3
Ground
6.2e-07
4
Ground
4e-07
5
Ground
5.3e-07
6
Average ground
4.8e-07
7
Background-corrected average ground
5.8e-08
8
Drone
6.3e-08
9
Drone
4.9e-08
10
Average drone
5.6e-08