# The Milk (Special Designations) (Scotland) Order 1988, Paragraph 2: Treatment of sample before testing


On arrival at the testing laboratory samples of milk shall be treated according to the following provisions.
(a) Any samples of raw milk, bulk milk heat treated for transportation or “Pasteurised” milk taken at the heat treatment establishment and intended for immediate testing. All samples of milk shall be examined as soon as possible after arrival at the testing laboratory. If a sample is not examined immediately it shall be kept at a temperature not higher than 5degC. until examined, provided that any sample on which the test is not begun within 24 hours of taking such sample shall be discarded.
(b) Any sample of “Pasteurised” milk taken at the heat treatment establishment and intended for incubation before testing. On arrival at the testing laboratory the sample shall be placed unopened in an incubator at a temperature of 6degC. +/-0.5degC. and shall be retained at that temperature for a period of 5 days, provided that, where these incubation requirements are not begun immediately after the arrival of the sample at the laboratory, the sample shall be kept at a temperature not higher than 5degC. until the start of the prescribed incubation period. Any sample on which the incubation requirements are not begun within 24 hours of taking such sample shall be discarded.
(c) Any sample of “Sterilised” or “Ultra Heat Treated” milk taken at the heat treatment establishment. On arrival at the testing laboratory the sample shall be placed unopened in an incubator at a temperature of 30degC. +/-0.5degC. and shall be retained at that temperature for a period of 15 days.
(d) Any sample of “Ultra Heat Treated” milk taken after it leaves the heat treatment establishment and before delivery to the consumer. On arrival at the testing laboratory the sample shall be placed unopened in an incubator at a temperature of 30degC. +/-0.5degC. and shall be retained at that temperature for a period of 24 hours.

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Source: https://www.legislation.gov.uk/uksi/1988/2191/schedule/6/part/I/paragraph/2 (the official version)
Page: https://openlegislation.uk/milk-special-designations-scotland-order-1988/schedule-6/part-I/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.