国家认监委秘书处关于开展食品、水质和钢铁材料国际检验检测能力验证活动的通知

Core Viewpoint - The National Certification and Accreditation Administration (CNCA) will conduct international capability verification activities in the fields of food, water quality, and steel materials testing in 2025 to enhance technical capabilities and promote standardization and result connectivity [2][3]. Group 1: Capability Verification Projects and Participation Requirements - The verification activities will include projects such as the determination of lead, cadmium, and chromium in rice, and the determination of chloramphenicol in shrimp, among others [3][4]. - Relevant testing institutions are encouraged to actively participate in these capability verification projects [4]. Group 2: Timeline and Other Matters - The timeline for the verification activities includes registration from May to July 2025, sample preparation and distribution from August to September 2025, feedback on test results in October 2025, preliminary technical analysis report by the end of January 2026, and results publication by the end of March 2026 [7][8]. - Participating institutions must complete a registration form and adhere to the requirements set by the implementing organizations [6][7]. Group 3: Specific Testing Methods and Sample Information - For the rice testing project, various national and international standards will be utilized, including GB 5009.12-2023 for lead determination and GB 5009.15-2023 for cadmium [10][11][13]. - The shrimp testing project will follow standards such as ISO 13493:2021 for chloramphenicol content determination [15]. - The water testing project will employ methods like ISO 11732:2005 for ammonium nitrogen determination and ISO 15586:2003 for cadmium [17][18]. - The steel testing project will utilize standards such as ISO 24476:2024 for oxygen determination and ISO 15351:1999 for nitrogen content [20].