# The Control of Major Accident Hazards Regulations 1999, Paragraph 2


Mixtures and preparations shall be treated in the same way as pure substances provided they remain within the concentration limits set according to their properties under the relevant provisions specified in Part 3, Note 1, unless a percentage composition or other description is specifically given.

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Source: https://www.legislation.gov.uk/uksi/1999/743/schedule/1/part/1/paragraph/2 (the official version)
Page: https://openlegislation.uk/control-of-major-accident-hazards-regulations-1999/schedule-1/part-1/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.