Waste code
EWC 03 03 11: sludges from on-site effluent treatment other than those mentioned in 03 03 10
03 03 11
Typed into Defra's service and Byrne Waste Tracking as 030311. It is not a hazardous entry.
Who takes it
23 permitted sites in England recorded taking 03 03 11 in their 2024 returns to the Environment Agency.
What happens to it
The recovery or disposal code those sites recorded most for 03 03 11 in 2024 (the code each site used for most of its tonnes):
| Code | Means | Sites |
|---|
| D9 | physico-chemical treatment | 22% |
| R10 | land treatment for benefit | 17% |
| R3 | recycling organic substances | 17% |
| R13 | storage pending recovery | 13% |
The right code is the one on your own permit and transfer notes - this is what other sites did, not a rule. R and D codes explained.
Easy to mix up
- 03 03 01 waste bark and wood
- 03 03 02 green liquor sludge (from recovery of cooking liquor)
- 03 03 05 de-inking sludges from paper recycling
Recording it for Defra: every load needs its own record within two working days of the day after it arrives. In Byrne Waste Tracking you tap this code once and it is remembered for the next load; it checks each load against Defra's rules before it saves and sends it to Defra by itself once your Defra account is linked. £89 a site a month, no contract. Start free · Using Defra's spreadsheet? Check it free