# Council Directive of 15 December 1969 on the approximation of the laws of the Member States relating to crystal glass (69/493/EEC), Division 1.4: Tolerances

Extent: E+W+S+N.I.

± 0·1 in absolute value for each determination. If the analysis gives a lower value, within the tolerances, than the limits fixed (30, 24 or 10%), the average of at least three analyses must be taken. If that average is greater than or equal to 29·95, 23·95 or 9·95 respectively, the glass must be accepted in the category corresponding to 30, 24 and 10% respectively.

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Source: https://www.legislation.gov.uk/eudr/1969/493/annex/II/division/1/division/1.4 (the official version)
Page: https://openlegislation.uk/eu-directive-1969-493/annex-II/division-1/division-1.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.