Microbiology of the food chain - Detection, isolation and characterization of Shiga toxin-producing Escherichia coli (STEC) - Part 2: Horizontal method for the characterization of Shiga toxin-producing Escherichia coli (STEC) isolates (ISO/DIS 13136-2:2024); German and English version prEN ISO 13136-2:2024

Textiles - Determination of quinoline, isoquinoline and certain derivatives

Water quality - Strontium 90 and strontium 89 - Test methods using liquid scintillation counting or proportional counting (ISO 13160:2021); German version EN ISO 13160:2021

Water quality - Polonium 210 - Test method using alpha spectrometry (ISO 13161:2020); German version EN ISO 13161:2020

Water quality - Lead-210 - Test method using liquid scintillation counting (ISO 13163:2021); German version EN ISO 13163:2024

Water quality - Radon-222 - Part 4: Test method using two-phase liquid scintillation counting (ISO 13164-4:2023); German version EN ISO 13164-4:2023

Water quality - Radium-226 - Part 2: Test method using emanometry (ISO 13165-2:2022); German version EN ISO 13165-2:2022

Water quality - Radium-226 - Part 3: Test method using coprecipitation and gamma-ray spectrometry (ISO/FDIS 13165-3:2024); German version FprEN ISO 13165-3:2024

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

Optics and photonics - Lasers and laser-related equipment - Test methods for the spectral characteristics of lasers (ISO/FDIS 13695:2024); German and English version prEN ISO 13695:2024