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The Animal By-Products (Wales) Regulations 2006

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Regulation 158 19(1)

SCHEDULE 1Additional requirements for biogas and composting plants

PART IPremises

1.—(1) There must be–

(a)a reception area in which untreated animal by-products (including catering waste) are received;

(b)an area in which vehicles and containers are cleansed and disinfected with adequate facilities for doing this; and

(c)a clean area in which treated compost or digestion residues are stored.

(2) The clean area must be adequately separated from the reception area and the area in which vehicles and containers are cleansed and disinfected so as to prevent contamination of the treated material. Floors must be laid so that liquid cannot seep into the clean area from the other areas.

(3) The reception area must be easy to clean and disinfect and must have an enclosed and lockable place or container to receive and store the untreated animal by-products.

2.  The animal by-products must be unloaded in the reception area and either–

(a)treated immediately; or

(b)stored in the reception area and treated without undue delay.

3.  The plant must be operated in such a way that–

(a)treated material is not contaminated by untreated or partially treated material or liquids arising from it; and

(b)partially treated material is not contaminated with material which has not been treated to the same extent or liquids arising from it.

4.  The operator must identify, control and monitor suitable critical points in the operation of the plant to demonstrate that–

(a)these Regulations and the Community Regulation are complied with;

(b)treated material is not contaminated by untreated or partially treated material or liquids arising from it; and

(c)partially treated material is not contaminated with material which has not been treated to the same extent or liquids arising from it.

5.  Containers, receptacles and vehicles used for transporting untreated animal by-products must be cleaned in the dedicated area before they leave the premises and before any treated material is loaded. In the case of vehicles transporting only untreated catering waste and not subsequently transporting treated material, only the wheels of the vehicle need be cleaned.

PART IITreatment systems and parameters for catering waste

1.  Unless an approval specifically permits a different system, catering waste must 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:

Composting

SystemComposting in a closed reactorComposting in a closed reactorComposting in housed windrows
Maximum particle size40cm6cm40cm
Minimum temperature60°C70°C60°C
Minimum time spent at the minimum temperature2 days1 hour8 days (during which the windrow must be turned at least 3 times at no less than 2 days intervals)

The time temperature requirements must be achieved as part of the composting process.

Biogas

SystemBiogas in a closed reactorBiogas in a closed reactor
Maximum particle size5cm6cm
Minimum temperature57°C70°C
Minimum time spent at the minimum temperature5 hours1 hour

2.  The approval must normally specify one of the methods in the table, but the National Assembly may approve a different system if it is satisfied that it achieves the same reduction in pathogens as those methods (including any additional conditions imposed on those methods) in which case the approval must fully describe the whole system.

Composting plants

3.  If the approval for a composting plant specifies one of the methods in the table, it must specify which one and, in addition, must have as a condition either that–

(a)measures must be taken at source to ensure that meat was not included in the catering waste and that following treatment the material is stored for at least 18 days (storage need not be in an enclosed system), or

(b)following the first treatment, the material must be treated again using one of the methods in the table and specified in the approval (not necessarily the same method as was used for the first treatment) except that, if the treatment is in a windrow, the second treatment need not be in a housed windrow.

Biogas plants

4.  The approval for a biogas plant must specify one of the methods in the table and in addition require that either–

(a)measures were taken at source to ensure that meat was not included in the catering waste; or

(b)following treatment the material is stored for an average of 18 days.

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