Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface waters; German version EN 17136:2019— 22 стр.
Water quality - Guidelines for the selection of sampling methods and devices for benthic macroinvertebrates in fresh waters (ISO 10870:2012); German version EN ISO 10870:2012— 36 стр.
General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2017); German and English version EN ISO/IEC 17025:2017— 65 стр.
Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macro-invertebrates from inland surface waters; German and English version prEN 17136:2017
