1. Unless an approval specifically permits a different system, catering waste shall be treated by one of the systems specified in the table below. The system must ensure that the material is treated to the following parameters:
| System | Composting in a closed reactor (A) | Composting in a closed reactor (B) | Composting in housed windrows |
|---|---|---|---|
| Maximum Particle size | 40cm | 6cm | 40cm |
| Minimum Temperature | 60°C | 70°C | 60°C |
| Minimum Time spent at the minimum temperature | 2 days | 1 hour | 8 days (during which the windrow shall be turned at least 3 times at no less than 2 day intervals) |
The time temperature requirements shall be achieved as part of the composting process.
| System | Biogas in a closed reactor (A) | Biogas in a closed reactor (B) |
|---|---|---|
| Maximum Particle size | 5cm | 6cm |
| Minimum Temperature | 57°C | 70°C |
| Minimum Time spent at the minimum temperature | 5 hours | 1 hour |