DS EN 1657:2005 Chemical Disinfectants And Antiseptics - Quantitative Suspension Test For The Evaluation Of Fungicidal Or Yeasticidal Activity Of Chemical Disinfectants And Antiseptics Used In The Veterinary Area - Test Method And Requirements (Phase 2, Step 1) Describes a test method and the minimum requirements for fungicidal or yeasticidal activity of chemical disinfectant and antiseptic products that form a homogeneous, physically stable preparation when