The Environmental Permitting (England and Wales) Regulations 2007 No. 3538

SCHEDULE 3 Descriptions: exempt waste operations and other operations to which section 33(1)(a) of the 1990 Act does not apply

PART 1 Exempt waste operations: descriptions

Waste from railway sanitary conveniences or sinks

31.  Discharging waste onto the track of a railway from a sanitary convenience or sink forming part of a vehicle used for the carriage of passengers on the railway if the discharge in question does not exceed 25 litres.