Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 11: Dosing plant
Edition 2004-08

Rainwater harvesting systems - Part 100: Regulations in connection with DIN EN 16941-1
Edition 2022-07

German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 3: Toxicity test for assessing the inhibition of the dehydrogenase activity of activated sludge microorganisms (TTC-Test) (L 3)
Edition 2010-10

Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 12: Conveying equipment
Edition 2014-02

Microbiology of the food chain - Preparation of test samples, initial suspension and decimal dilutions for microbiological examination - Part 1: General rules for the preparation of the initial suspension and decimal dilutions - Amendment 1: Requirements and guidance on the use of larger test portion size for qualitative methods (ISO 6887-1:2017/DAM 1:2023); German and English version EN ISO 6887-1:2017/prA1:2023
Edition 2023-08

Medical face masks - Requirements and test methods; German and English version prEN 14683:2023
Edition 2023-10

Biological equipment for treating air and other gases - General requirements (ISO/DIS 23138:2023); Text in German and English
Edition 2023-06

Lubricants, industrial oils and related products (class L) - Family H (Hydraulic systems) - Specifications for hydraulic fluids in categories HETG, HEPG, HEES and HEPR (ISO 15380:2023); Text in German and English
Edition 2024-04

Wastewater treatment plants - Part 7: Biological fixed-film reactors; German and English version prEN 12255-7:2023
Edition 2023-09

Medical microbiology - Quality management in medical microbiology - Part 6: Requirements relating to test organisms and their use in performance testing
Edition 2019-06