Gymnasium Wermelskirchen; Plastik - nein, danke!?

2787955C-C1F6-49A1-8110-47099C36DDFC.jpeg
19. Oktober 2022
Wupper
Location coordinates: 51.147310 7.138073
Location of sampling: River/Stream

Group A

0.86
0.8
0.52

Group B

238
76
1.45

Group C

2.2
19
0.004