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

Impact measurement of measures for municipal, regional and national climate protection; Text in German and English
Edition 2025-09

Winter maintenance equipment - Terminology - Terms for winter maintenance; Trilingual version EN 15144:2007
Edition 2007-09

Reporting greenhouse gas emissions in municipalities
Edition 2024-11

Guideline for resource-efficient urban districts
Edition 2022-12

Adaptation to climate change - Requirements and guidance on adaptation planning for local governments and communities (ISO/TS 14092:2020)
Edition 2022-03

Winter maintenance equipment - Road weather information systems - Part 2: Road weather - Recommended observation and forecast; German version EN 15518-2:2011
Edition 2011-04

Reference Architecture Model Open Urban Platform (OUP); Text in English
Edition 2017-12

Communities and digital transformation - Overview of the spheres of activity
Edition 2020-08

Digital twins for cities and municipalities
Edition 2024-11