# The Natural Mineral Water, Spring Water and Bottled Drinking Water (England) Regulations 2007, Part 2: Parametric values for microbiological parameters

Extent: E+W

Parameter
Parametric value
Unit of measurement
Escherichia coli
(E. coli)
0/250 ml
number/250 ml
Enterococci
0/250 ml
number/250 ml
Pseudomonas aeruginosa
0/250 ml
number/250ml
Colony count 22ºC
100/ml
number/ml
Colony count 37ºC
20/ml
number/ml

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Source: https://www.legislation.gov.uk/uksi/2007/2785/schedule/2/part/2 (the official version)
Page: https://openlegislation.uk/natural-mineral-water-spring-water-and-bottled-drinking-water-england-regulations-2007/schedule-2/part-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.