Draft Commission Implementing Decision on the non-approval of 1,3- Bis(hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione (DMDMH) as an existing active substance for use in biocidal products of product types 6 and 13in accordance with Regulation (EU) No 528/2012 of the European Parliament and of the Council; (4 page(s), in English)