Division 2 Calculations United Kingdom Original text. Later amendments are not shown. (m − m°) × 10 = percentage of silicon oxide in the powder. Notes on the whole EU Regulation Textual amendments F1 Substituted by Commission Regulation (EC) No 1593/98 of 23 July 1998 amending Regulation (EEC) No 1764/86 as regards the minimum quality requirements for products processed from tomatoes under the production aid scheme. ← Division 1 Division 2