Depot weighing
Each collection is weighed at the depot and signed by the depot keeper and a collector representative.

Da Nang and Hue, Vietnam
We record each tonne of plastic collected by informal waste pickers and small depots in central Vietnam, and issue a credit only once the weight has been signed at the depot.
linh@plastikbalik.space↻PB-1804Issued
✓PB-1809Retired
?PB-1815Audit
↻PB-1821Issued
Pickers bring plastic to a registered depot.
The depot records the weight and the collector group.
The processor confirms what it received.
Credits are issued only for the confirmed weight.
Each collection is weighed at the depot and signed by the depot keeper and a collector representative.
The processor confirms the weight it received, and any gap is shown on the record.
A credit is retired once it is claimed, so it cannot be sold twice.
Brands and businesses that have claimed them. A credit can only be claimed once.
Collectors are paid by the depot for the weight they bring. The credit record is separate.
A sample of depot weights is checked against the processor's intake each quarter.