
Overview
Site Solutions is able to handle a wide range of organic wastes as well as products from organic waste treatment processes. Through our sister company, Compost UK, we operate our own composting sites and have a national network of third party treatment and restoration sites which we work with when required.
Materials typically come from water treatment, waste water treatment, AD sites and compost facilities. Below is a non-exhaustive list of materials we handle but please contact us even if yours isn’t listed!
EWC Codes:

20 02 01
Green Waste

20 01 08
Comingled Green and Food

PAS 100 Compost

Arb Shred

19 05 03
Compost oversize – processed

19 05 03
Compost oversize – unprocessed

19 06 04 or 19 06 06
AD digestate fibre – PAS110 compliant or non-compliant –

19 06 04 or 19 12 12
Non-source segregated AD fines –

19 05 03 or 19 05 99
Compost Like Output (CLO)

19 08 02
Sewage grit
Other wastes we are interested in are:
- 19 06 04: AD grits – pasteurised or unpasteurised
- 20 03 03: Street sweepings
- 19 09 02: Clean waste sludge
- 19 12 12: Wash plant organic fines
- 19 08 05: Sewage cake
How we work
Call/email the team to discuss bulk waste type.
The team will extract all relevant required information and assess and evaluate the most efficient and sustainable solution. This will often include a site visit to understand the processes producing the material and taking of samples of the material.
Using our nationwide network, we will develop a proposal ensuring compliance with regulations. This may include trial loads or, in some cases, trialling a whole new process to understand how the waste can be effectively treated within regulatory
Once agreed we will schedule a plan of works with a designated account manager to manage the process from start to finish. We would generally organise the transport of the material, thereby providing a holistic solution to our customers.
Get in touch today to discuss.
Frequently Asked Questions
What exactly is bulk organic waste?
Bulk organic waste typically includes large volumes of biodegradable materials such as food scraps, garden trimmings, and agricultural residues. It’s not your everyday household rubbish – organic waste typically come from water treatment, waste water treatment, AD sites and compost facilities.
How does bulk organic waste differ from regular waste?
Unlike typical mixed waste, bulk organic waste is specifically composed of natural, decomposable materials. This means it can be processed into nutrient-rich compost or bioenergy, reducing landfill load while boosting sustainability.
What types of bulk organic waste can you handle?
Where we can, we will find a home for all types of waste. We are particularly interested in the following EWC codes:
- 20 02 01
- 20 01 08
- 19 05 03
- 19 05 03
- 19 06 04
- 19 12 12
- 19 05 03
- 19 05 99
- 19 08 02
- 19 06 04
- 20 03 03
- 19 09 02
- 19 12 12
- 19 08 05
What are the environmental benefits of processing bulk organic waste?
Transforming bulk organic waste helps reduce greenhouse gas emissions by diverting waste from landfills. Plus, the end products—like nutrient-rich compost—can rejuvenate soil health and support sustainable agriculture. Essentially, you’re contributing to a circular economy where nothing goes to waste.
What happens after bulk organic waste is processed?
After processing, the waste is transformed into valuable resources such as high-quality compost or renewable energy through biogas production.
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