DS EN 12353:2013 Chemical Disinfectants And Antiseptics - Preservation Of Test Organisms Used For The Determination Of Bactericidal (Including Legionella), Mycobactericidal, Sporicidal, Fungicidal And Virucidal (Including Bacteriophages) Activity Defines methods for keeping test organisms used and defined in European Standards for the determination of bactericidal (incl. Legionella pneumophila), mycobactericidal, sporicidal, fungicidal and vir