# The Waste and Contaminated Land (Northern Ireland) Order 1997, Paragraph 7

Extent: N.I.

Substances which no longer perform satisfactorily (e.g. contaminated acids, contaminated solvents, exhausted tempering salts, etc.).

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Source: https://www.legislation.gov.uk/nisi/1997/2778/schedule/1/paragraph/7 (the official version)
Page: https://openlegislation.uk/waste-and-contaminated-land-northern-ireland-order-1997/schedule-1/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.