2022年甘肃省疾病预防控制机构水质实验室能力验证结果分析  

Analysis of proficiency testing results of water quality laboratories in centers for disease control and prevention in Gansu Province

作　　者：康芬艳[1] 樊玉芳[1] 魏巧珍 王慧娟[1] KANG Fen-yan;FAN Yu-fang;WEI Qiao-zhen;WANG Hui-juan(Gansu Provincial Center for Disease Control and Prevention,Lanzhou,Gansu 730000,China)

机构地区：[1]甘肃省疾病预防控制中心,甘肃兰州730000

出　　处：《中国卫生检验杂志》2023年第20期2443-2445,2459,共4页Chinese Journal of Health Laboratory Technology

基　　金：甘肃省自然科学基金(21JR7RA655)。

摘　　要：目的评价甘肃省疾病预防控制机构市县两级水质实验室检测能力,掌握实验室规范化管理情况。方法每个实验室发放氟化物、硫酸盐、铅和三氯甲烷4份考核样品,依据《生活饮用水标准检验方法》(GB/T 5750—2006)进行检测,采用Z值判定结果。结果全省12个市(州)实验室和67个县(市、区)实验室上报了304个检测结果。满意值215个(占73.38%),可疑值20个(占6.83%),不满意或离群值58个(占19.80%)。各考核指标满意率由高到低依次为氟化物(79.75%)、铅(74.65%)、硫酸盐(74.36%)、三氯甲烷(63.08%)。不同方法检测硫酸盐和铅,结果满意率差异无统计学意义(P>0.05);不同方法检测氟化物,满意率差异有统计学意义(P<0.05)。市级疾病预防控制机构实验室总体检测能力高于县级疾病预防控制机构实验室(χ^(2)=12.195,P<0.05)。结论本省市、县级疾病预防控制机构水质实验室检测能力有所提高,但水质检测中质量控制还需加强,提高基层实验室人员专业技术水平和仪器设备操作能力是工作重点。Objective This paper aims to evaluate the water quality testing capabilities of county and city-level laboratories of centers for disease and control and prevention(CDC)in Gansu Province,so as to understand the status of standardized laboratory management.Methods Four test samples,including fluoride,sulfate,lead,and chloroform,were distributed to each laboratory.Detective standard was accorded to the Standard Methods for the Detection of Drinking Water(GB/T 5750-2006),and the results were judged based on Z-values.Results A total of 304 test results were reported by 12 city-level laboratories and 67 county-level laboratories,among which 215(73.38%)were satisfactory results,20(6.83%)were suspected results,and 58(19.80%)were unsatisfactory results or outlier.The satisfactory rates of quality control results of fluoride,lead,sulfate and chloroform were 79.75%,74.65%,74.36%and 63.08%in a decreasing order.Sulfate and lead were determined by different detection methods,and the difference was not statistically significant(P>0.05).Fluoride was determined by different detection methods,and the difference was statistically significant(P<0.05).The overall testing capability of city-level CDC laboratories was higher than county-level CDC laboratories(χ^(2)=12.195,P<0.05).Conclusion The drinking water quality testing capabilities of county-level and city-level CDC laboratories in Gansu Province have been improved,but quality control in drinking water quality testing still needs to be strengthened.It is of priority to improve the professional and technical skills of basic level laboratory personnel and their ability to operate instruments and equipment.

关 键 词：疾病预防控制机构 水质检测能力 能力验证 质量控制 

分 类 号：R123.1[医药卫生—环境卫生学]