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为保障公众及其后代的健康和安全,以及贯彻《建筑材料放射卫生防护标准》(GB 6566—86),1995年对我市掺工业废渣(煤渣、矿渣)轻骨料空心砌块中的~(232)Th(钍)、~(226)Ra(镭)和~(49)K(钾)核素的比活度进行了调查,并估算了对居民所致的内、外照射剂量。1 样品处理和分析方法1．1 样品采集及处理:从本市各生产掺工业废渣轻骨料空心砌块厂的成品堆上采集有代表性的样品30份,每份重5kg,样品经过粉碎、过筛、烘干等
To protect the health and safety of the public and their offspring, and to implement the “Radiation Hygiene Protection Standards for Building Materials” (GB 6566-86), in 1995, the city’s industrial waste slag (cinder, slag) lightweight aggregate hollow blocks (232) The specific activities of Th (钍), ~ (226) Ra (ra) and ~ (49) K (potassium) nuclide were investigated and the doses of internal and external radiation caused to residents were estimated. 1 Sample Processing and Analysis Methods 1.1 Sample collection and processing: Collect 30 representative samples from the finished product heap of the municipal solid waste lightweight aggregate hollow block plant in the city, each weighing 5kg, the sample is crushed , screening, drying, etc.