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目的:通过参加全国职业卫生实验室间盲样比对检验,及时发现实验室存在的技术问题,以提高本实验室处理各种样品的能力及水平。方法:依据国家标准及中国疾病预防控制中心职业卫生与中毒控制所组织的2012-2014年全国职业卫生实验室间盲样比对检测项目的作业指导书,对全国职业卫生实验室间进行盲样比对检验。结果:根据中国疾病预防控制中心职业卫生与中毒控制所反馈信息,比对判定条件∣Z∣<2为考核满意。2012-2014年中所有参加的甲醇、正己烷、乙苯、四氯乙烯、四氯化碳、四氢呋喃、锡和镍项目均通过计算判定。所有项目满足∣Z∣<2,在3年的盲样考核中成绩均为满意。结论:通过参加全国职业卫生技术服务机构检测能力盲样比对检验,保证了实验室检测质量,检测准确度、精密度和总体水平均有明显提高。
OBJECTIVE: To find out the technical problems existing in laboratories in time by participating in the blind sample comparison test among occupational health laboratories throughout the country so as to improve the ability and level of handling various samples in this laboratory. Methods: According to the national standards and occupational health and poisoning control center organized by the Chinese Center for Disease Control and Prevention 2012-2014 national occupational health laboratory blind sample comparison test project work instructions, the national occupational health laboratory between blind Comparison test. Results: According to the feedback from Occupational Health and Poison Control Center of China Center for Disease Control and Prevention, the judgment conditions | Z| <2 were satisfied with the examination. All participating methanol, n-hexane, ethylbenzene, tetrachlorethylene, carbon tetrachloride, tetrahydrofuran, tin and nickel projects in 2012-2014 have been calculated. All items meet | Z| <2, in 3 years of blind assessment results are satisfactory. Conclusion: By participating in national occupational health technical service agencies blind ability than the test, to ensure the quality of laboratory testing, testing accuracy, precision and overall level have significantly improved.