ISO 13160:2021

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ISO 13160:2021 is an {International Organization for Standardization (ISO) standard https://www.iso.org/standard/78205.html} that specifies test methods for determining the activity concentration of strontium-90 (90Sr) and strontium-89 (89Sr) in environmental water samples. The methods involve using liquid scintillation counting (LSC) or proportional counting (PC). The standard is applicable to various types of water, including drinking water, rainwater, and wastewater, after proper sampling, handling, and sample preparation.