# The Materials and Articles in Contact with Food (Wales) Regulations 2012, Paragraph 4


Determination of the surface area The surface area of the articles in Category 1 is equal to the surface area of the meniscus formed by the free liquid surface obtained by complying with the filling requirements set out in paragraph 3.

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Source: https://www.legislation.gov.uk/wsi/2012/2705/schedule/3/paragraph/4 (the official version)
Page: https://openlegislation.uk/materials-and-articles-in-contact-with-food-wales-regulations-2012/schedule-3/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.