# The Drinking Water in Containers Regulations 1994, Paragraph 2


the drinking water does not contain—
(a) concentrations or values of any of the parameters listed in Tables A to D in Part II of this Schedule in excess of the prescribed concentrations or values;
(b) concentrations of trihalomethanes (being the aggregate of the concentrations of trichloromethane, dichlorobromomethane, dibromochloromethane and tribromomethane) in excess of 100 μg/l;

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Source: https://www.legislation.gov.uk/uksi/1994/743/schedule/paragraph/2 (the official version)
Page: https://openlegislation.uk/drinking-water-in-containers-regulations-1994/schedule/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.