Microbiology of the food chain - Requirements and guidelines for conducting challenge tests of food and feed products - Part 2: Challenge tests to study inactivation potential and kinetic parameters (ISO 20976-2:2022); German version EN ISO 20976-2:2022
Edition 2023-02

Hydrology; terms relating to quality of waters
Edition 1990-04

Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999); German version EN ISO 6222:1999
Edition 1999-07

General principles of cathodic protection in seawater; German version EN 12473:2014
Edition 2014-07

Plant biostimulants - Determination of the yeast and mould content; German and English version prEN 17707:2023
Edition 2023-05

Dispense systems for draught beverages - Part 6: Requirements for cleaning and disinfection
Edition 2014-12

Microbiology of food, animal feed and water - Preparation, production, storage and performance testing of culture media (ISO 11133:2014, Corrected version 2014-11-01 + Amd. 1:2018 + Amd. 2:2020); German version EN ISO 11133:2014 + A1:2018 + A2:2020
Edition 2020-10

Workplace exposure - Measurement of airborne microorganisms and microbial compounds - General requirements; German version EN 13098:2019
Edition 2019-12

Medical microbiology - Quality management in medical microbiology - Part 2: Requirements for sample collection, transport and acceptance of specimens
Edition 2021-09

Influence of materials on water for human consumption - Enhancement of microbial growth (EMG); German version EN 16421:2014
Edition 2015-05