# Animal By-Products Order 1992, Paragraph 2


Samples of the final products taken during or upon withdrawal from storage at the premises must comply with the following standards:
Salmonella
Absence in 25g: n=5, c=0, m=0, M=0
Enterobacteriaceae:
n=5, c=2, m=10, M=3×102 in 1g,
where
n= number of units comprising the sample;
m= threshold value for the number of bacteria; the result is considered satisfactory if the number of bacteria in all sample units does not exceed m;
M= maximum value for the number of bacteria; the result is considered unsatisfactory if the number of bacteria in one or more sample units is M or more;
c= number of sample units the bacterial count of which may be between m and M, the sample still being considered acceptable if the bacterial count of the other sample units is m or less.

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Source: https://www.legislation.gov.uk/uksi/1992/3303/schedule/4/part/I/crossheading/requirements-concerning-the-products-after-rendering/paragraph/2 (the official version)
Page: https://openlegislation.uk/animal-by-products-order-1992/schedule-4/part-I/crossheading-requirements-concerning-the-products-after-rendering/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.