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在卫生理化检验中，尽管实验室采用标准检验方法，实施实验室内和实验室间质量控制，还是经常发生用户对检验结果的准确性提出异议，并引发不必要的争端。现将空气中有害物质、水质和生物材料测定中的几个案例进行分析。l我们在河南省新乡县农村住宅卫生调查中，发现某户厨房空
In the course of hygienic physical and chemical tests, it is not uncommon for users to disagree with the accuracy of test results and trigger unnecessary disputes, even though labs use standard test methods to implement in-lab and inter-lab quality control. Several cases of airborne harmful substances, water quality and biomaterials are now analyzed. l We Xinxiang County, Henan Province, rural residential hygiene survey, found a kitchen empty