# The Methylated Spirits Regulations 1987, Regulation 19: Method of methylation


(1) Save as the proper officer may otherwise allow, the methylator shall ensure that such part of the denaturants as the proper officer may require are placed in the mixing vat before any of the spirits to be methylated are added and that the remainder of the denaturants are subsequently added and mixed with the spirits without delay in such a manner that the final product consists of a homogeneous mixture.
(2) The methylator shall ensure that the contents of any mixing vat are not disturbed for at least one hour after the mixing is completed.

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Source: https://www.legislation.gov.uk/uksi/1987/2009/regulation/19 (the official version)
Page: https://openlegislation.uk/methylated-spirits-regulations-1987/regulation-19
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.