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25 November 2022
Aniene
Ponte delle Valli
Location coordinates: 41.9 12.5

Group A

Average waste per m² in all riverside zones
0.57
Foreshore (Average waste per m²)
7
Backshore (Average waste per m²)
6.99
Riverbank crown (Average waste per m²)
6.99

Group B

Total number of waste items found (including single-use plastic)
116
Weight of all waste including plastic in kg
12.7

Group C

Flow velocity of the river (meters per second)
1.1
River width in m
9
Total number of floating waste
5
Larger Microplastics per 1,000 liters of river water
-
Larger Microplastics per m² of the riverbank
-
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