# Commission Regulation (EC) No 152/2009 of 27 January 2009 laying down the methods of sampling and analysis for the official control of feed (Text with EEA relevance), Division 4.3: Glass column (length 300 to 400 mm, internal diameter approximately 10 mm) with sintered glass frit and draw-off valve.

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

Note:a glass column fitted with a stopcock or a glass column with a tapered end may also be used; in this case, a small glass-wool plug is inserted into the lower end and it is tamped down using a glass rod.

---
Source: https://www.legislation.gov.uk/eur/2009/152/annex/VIII/division/D/division/4/division/4.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2009-152/annex-VIII/division-D/division-4/division-4.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.