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CSA C22.2 NO. 62841-4-3:23

Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery — Safety — Part 4-3: Particular requirements for pedestrian controlled walk-behind lawnmowers (Binational standard with UL 62841-4-3)
standard by CSA Group, 06/22/2023

IEC 62220-2-1 Ed. 1.0 b:2023

Medical electrical equipment – Characteristics of digital X-ray imaging devices – Part 2-1: Determination of dual-energy subtraction efficiency – Detectors used for dual-energy radiographic imaging
standard by International Electrotechnical Commission, 08/01/2023

AASHTO T 399-22

Standard Method of Test for Determining In-Place Density and Moisture Content of Soil and Soil-Aggregate Using Complex Impedance Methodology
standard by American Association of State and Highway Transportation Officials, 2022