Soil quality - Estimation of abundance of selected microbial gene sequences by quantitative PCR from DNA directly extracted from soil (ISO/DIS 17601:2024); German and English version prEN ISO 17601:2024

Coding system for selected surface coatings according to DIN EN ISO 4042 and DIN EN ISO 10683 for fasteners in the military sector; Amendment A1; Text in German and English

Ventilation and air conditioning - Part 6: Ventilation for residential buildings - General requirements, requirements for design, construction, commissioning and handover as well as maintenance - Supplement 1: Sample calculations for selected ventilation systems

Water quality - Determination of selected estrogens in whole water samples - Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection (ISO/DIS 13646:2024); German and English version prEN ISO 13646:2024

Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013); German version EN ISO 15923-1:2024

Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 2: Determination of selected elements including uranium isotopes (ISO 17294-2:2023, Corrected version 2024-02); German version EN ISO 17294-2:2023

Fibre optic interconnecting devices and passive components - Fibre optic connector multimode optical interfaces - Part 2-2: Connection of 50 µm core diameter multimode physically contacting fibres - Non-angled and angled for reference connector application, at wavelength of 850 nm using IEC 60793-2-10 selected A1-OM2b to A1-OM5b fibre only (IEC 86B/4607/CD:2022); Text in German and English