摘要
本文报道固体核径迹法测定成都、自贡市的环境氡水平。１９９１年在成都市布放探测器４个月，３４个室内测点平均氡浓度３６．６±１７．４Ｂｑ·Ｍ￣－３；２个室外点平均１６．２±４．２ＢｑＭ￣－３。１９９２年在自贡市６个区域布放６７个探测器，６４个测点平均氡浓度４９．２±２４．５Ｂｑ·Ｍ￣－３。有３个测点，探测器上出现局部高密集氡径迹，重要探索，未统计入内。若以上述室内氡平均值和环境氡平均植分别代表两市的全年氡平均水平，并以室内公众成员所受平均氡浓度与年有效剂量关系式计算。成都、自贡市公众成员各自受氡年有效剂量当量为１．１０ｍＳｖ和１．４８ｍＳｖ．
This paper reports the environment radon level by the method of the solid nuclear traces in Chengdu and Zigong. In 1991 thirty-six detectors were set in Chengdu,thirty-four indcoors and the other two outdcoors,The results show tht in fourmonths, the average concentration value of radon was 36.6 ± 17.4 Bq M￣-3 outdcors,In 1992,sixty-seven more detectors were set in six regions in siX regions in Zigong Data shown on the sixty- four of them were normal, their averagevalue was 49.2 ± 24. 5 Bq M￣-3.Unexpectedly, partial high dense radon traces werc found on the other three detectors.data on themwas exclued from the paper. Further investigation is needed.Suppose the first and the third values mentioned above represent the two cities annual average concentration of radon respectively Then we transfer average concentration of radon to the equivalent armual effective dose to calculate,we can get the annualeffective dose equivalent that the public in two cities receive,they are.1 mSv and 1.48 mSv.
出处
《四川环境》
北大核心
1995年第3期42-44,共3页
Sichuan Environment
