Soil improvers and growing media - Sample preparation for chemical and physical tests, determination of dry matter content, moisture content and laboratory compacted bulk density; German version EN 13040:2007
Edition 2008-01

Soil improvers and growing media - Determination of physical properties - Dry bulk density, air volume, water volume, shrinkage value and total pore space; German version EN 13041:2011
Edition 2012-01

Water quality - Evaluation of the "ultimate" anaerobic biodegradability of organic compounds in digested sludge - Method by measurement of the biogas production (ISO 11734:1995); German version EN ISO 11734:1998
Edition 1998-11

Characterization of solids - Quality assurance and quality control - Re-transferability of measurement results of the test characteristics with regard to their distinctness and distribution in the population
Edition 2021-12

Sludge, treated biowaste and soil - Guidance for sample pretreatment; German version EN 16179:2012
Edition 2012-11

Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 9: Mechanical drainage of sewage sludge
Edition 2017-02

German standard methods for the examination of water, waste water and sludge - Sludge and sediments (group S) - Part 14: Determination of selected polyfluorinated compounds (PFC) in sludge, compost and soil - Method using high performance liquid chromatography and mass spectrometric detection (HPLC-MS/MS) (S 14)
Edition 2011-08

Characterization of solids - Sampling of solid and semi-solid materials - Part 1: Guidance for the segmental sampling of stockpiles of unknown composite
Edition 2014-05

Water quality - Requirements for establishing performance characteristics of quantitative microbiological methods (ISO 13843:2017); German version EN ISO 13843:2017
Edition 2018-03

Sludge, treated biowaste and soil - Extraction for the determination of extractable ammonia, nitrate and nitrite; German version CEN/TS 16177:2012
Edition 2012-05