# The Waste Management Licensing Regulations 1994, Paragraph 34


(1) The keeping or deposit on land at the place where it is produced of spent ballast if the land is operational land of a railway, light railway or tramway and the total amount kept or deposited at that place does not exceed 10 tonnes for each metre of track from which the ballast derives.
(2) Sub-paragraph (1) above only applies to the keeping or deposit of waste by an establishment or undertaking where the waste kept or deposited is the establishment or undertaking’s own waste.

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Source: https://www.legislation.gov.uk/uksi/1994/1056/schedule/3/paragraph/34 (the official version)
Page: https://openlegislation.uk/waste-management-licensing-regulations-1994/schedule-3/paragraph-34
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.