Wastewater treatment plants - Part 6: Activated sludge process; German and English version prEN 12255-6:2021
Edition 2021-07

Microbiology of the food chain - Horizontal method for detection and enumeration of Campylobacter spp. - Part 1: Detection method (ISO 10272-1:2017 + Amd 1:2023); German version EN ISO 10272-1:2017 + A1:2023
Edition 2023-07

Soil improvers and growing media - Determination of temperature-time profiles during composting and digestion; German version EN 17925:2024
Edition 2024-05

Fundamentals for detection and determination of microorganisms in foodstuffs with impedance-method
Edition 2020-12

Wastewater treatment plants - Part 8: Sludge treatment and storage; German and English version prEN 12255-8:2022
Edition 2022-03

Animal feeding stuffs: Methods of sampling and analysis - Detection and enumeration of Pediococcus spp. used as feed additive; German version EN 15786:2021
Edition 2022-02

Commercial dishwashing machines - Hygiene requirements and testing; German version EN 17735:2022
Edition 2023-02

Soil quality - Guidance on long and short term storage of soil samples (ISO 18512:2007)
Edition 2009-03

Chemical disinfectants and antiseptics - Quantitative suspension test for the evaluation of bactericidal activity against Legionella of chemical disinfectants for aqueous systems - Test method and requirements (phase 2, step 1); German version EN 13623:2020
Edition 2020-12

Hospital cleaning - Requirements for cleaning and disinfection cleaning in hospitals and other health care facilities
Edition 2021-09