The Milk (Special Designation) Regulations 1988

Treatment of sample

1.—(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.