The D2 exemption allows older rolling stock not fitted with appropriate collection facilities to deposit sanitary waste onto the track.
Latest standards for train design require collection of waste from the toilet but still allow deposit of waste water from hand wash basins and kitchen sinks.
Types of activity you can carry out
This exemption allows you to discharge waste from a train sink or sanitary convenience onto a railway track.
Types of activity you cannot carry out
- discharge waste from a sanitary convenience from any other type of vehicle such as a bus
- discharge any other types of waste onto a railway track
- bring in sanitary waste from trains operating on a different railway line
Types of waste you can deposit
The waste codes are those listed in the List of Wastes (LoW) Regulations. You need to make sure your waste fits within the relevant waste code and description.
|Waste code||Type of waste|
|200399||Waste from railway sanitary conveniences only|
Quantity of waste you can deposit
There is no limit on the number of discharges that can be made, but you can only deposit up to 25 litres of waste per discharge.
More than one railway operating company can register this exemption at the same place at the same time.
For the purposes of this exemption, waste from a railway sanitary convenience means waste from any toilet or sink located in a railway carriage for carrying passengers.
What else you need to know
A railway is an example of a place which can be regarded as a ‘linear network’ for the purpose of registering this exemption. Guidance on the meaning of place.
You can deposit waste from a portable toilet under:
Register a D2 exemption
You need to register this exemption with us if you meet the requirements: