# The Milk (Special Designation) Regulations 1988, Paragraph 1: Treatment of sample


(1) On arrival at the testing laboratory the sample of milk shall at once be removed from the insulated container. Thereafter it shall be stored as follows:–
(a) a sample taken at any time during the period from 1 May to 31 October, inclusive, in any year shall be kept at atmospheric shade temperature until 9.30 a.m. on the following day;
(b) a sample taken at any time during the period from 1 November to 30 April, inclusive, in any year shall be kept in its original container or in a sterile sample bottle of at least 80 ml. capacity at atmospheric shade temperature until 5.00 p.m. on the day of sampling and thereafter at a constant temperature of 18.3°C.±1°C. until 9.30 a.m. on the following day.
(2) If during the period of storage at atmospheric shade temperature to which a sample is subjected this temperature at any time exceeds 21°C., the test shall not be applied.
(3) The test shall be begun between 9.30 and 10.00 a.m. on the day after the sample is taken.

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Source: https://www.legislation.gov.uk/uksi/1988/2204/schedule/5/part/II/paragraph/1 (the official version)
Page: https://openlegislation.uk/milk-special-designation-regulations-1988/schedule-5/part-II/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.