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在严格的分析质量保证措施下,测定了北京市区240名(男、女各半)中学教师血中铅、镉和26名市民肾皮质中镉准确、可信的浓度水平。中学教师血镉的浓度范围、几何均值和95％上限值分别为<0.2～4.7,0.9和3.05微克/升;血铅的浓度范围、几何均值和95％上限值分别为26～128,64和111微克/升。无职业接触者肾皮质镉的几何均值是13.0微克/克。讨论了性别、吸烟、饮酒、燃料种类以及年龄与血铅、血镉含量的关系,提出了反映镉暴露变化的肾镉/ 血镉比值,并探讨和估测了北京市近期和过去铅镉的暴露水平。
Under stringent quality assurance measures, the concentrations of cadmium in cadmium and 26 cadmium in the blood of 240 middle school teachers in Beijing were determined accurately and plausibly. The concentration range, geometric mean and 95% upper limit of blood cadmium levels for secondary school teachers were <0.2-4.7, 0.9 and 3.05 μg / L, respectively. The concentration range, geometric mean and 95% upper limit of blood lead were 26-128, 64 and 111 μg / L. The geometric mean of renal cortical cadmium in non-occupational subjects was 13.0 μg / g. The relationship between gender, smoking, alcohol consumption, fuel type and age, blood lead and blood cadmium content was discussed. The ratio of cadmium to serum cadmium in cadmium exposed to cadmium exposure was also discussed. The recent and past cadmium Exposure level.