江苏某辐照装置退役后地块辐射环境调查及取样装置优势分析

张强; 邱成浩; 高旭; 王长明; 王栋; 韩进; 曲常胜

引用本文:	张强,邱成浩,高旭,王长明,王栋,韩进,曲常胜.江苏某辐照装置退役后地块辐射环境调查及取样装置优势分析[J].环境监控与预警,2025,17(1):74-78
	ZHANG Qiang,QIU Chenghao,GAO Xu,WANG Changming,WANG Dong,HAN Jin,QU Changsheng.The Radiation Environmental Investigation of a Decommissioned Irradiation Facility Site in Jiangsu and the Advantage Analysis of Sampling Equipment[J].Environmental Monitoring and Forewarning,2025,17(1):74-78

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江苏某辐照装置退役后地块辐射环境调查及取样装置优势分析
张强^1,2,3，邱成浩^1,2,3，高旭^1,2,3，王长明^1,2,3，王栋^1,2,3*，韩进^1,2,3，曲常胜^1,2,3
1. 江苏省环境工程技术有限公司，江苏南京 210019；2. 江苏省环保集团有限公司，江苏南京 210036；3. 江苏省生态环境保护地下水污染防治工程技术中心，江苏南京 210019

摘要:

以江苏某钴（Co）辐照退役地块为研究对象，采用新型高回收率土壤取样装置采集土壤和地下水样品进行实验室分析，使用表面污染测量仪和便携式X-γ辐射剂量率仪分别监测现场辐射环境。监测结果显示，土壤和地下水样品中均未检出⁶⁰钴（⁶⁰Co），土壤样品中¹³⁷铯（¹³⁷Cs）检出值均符合国家标准限定的清洁解控水平；β表面沾污水平低于国家标准解控水平；γ辐射空气吸收剂量率处于2023年江苏省环境天然放射性水平的涨落范围内。由此表明，该辐照退役地块整个辐照室区域在运行及现场退役过程中没有造成环境污染，可达到无限制开放水平。新型高回收率土壤取样装置显著提高了取样效率和准确性，为土壤和地下水环境调查工作提供了有力支持。

关键词: 辐照装置退役环境调查取样装置

DOI：DOI：10.3969/j.issn.1674-6732.2025.01.012

分类号:X837

基金项目:江苏省环境工程技术有限公司重点自立项项目（JSEP-GJ2024-1003-RE-ZL）；江苏省生态环境科研课题（2020001）

The Radiation Environmental Investigation of a Decommissioned Irradiation Facility Site in Jiangsu and the Advantage Analysis of Sampling Equipment

ZHANG Qiang^1,2,3， QIU Chenghao^1,2,3， GAO Xu^1,2,3， WANG Changming^1,2,3， WANG Dong^1,2,3*， HAN Jin^1,2,3， QU Changsheng^1,2,3

1.Jiangsu Environmental Engineering Technology Co.， Ltd.， Nanjing， Jiangsu 210019， China； 2. Jiangsu Provincial Environmental Protection Group Co.， Ltd.， Nanjing， Jiangsu 210036， China；3. Jiangsu Province Ecology and Environment Protection Engineering Research Center of Groundwater Pollution Prevention and Control， Nanjing， Jiangsu 210019， China

Abstract:

This article focused on a retired Co irradiation facility site in Jiangsu Province. A new high-recovery-rate soil sampling device was used to collect soil and groundwater samples for laboratory analysis. Concurrently， Surface Contamination Measuring Instruments and Portable X-ray Radiation Dose Rate Meters were utilized to monitor beta surface contamination and the gamma radiation air absorbed dose rate. The results of the monitoring analysis showed that ⁶⁰Co was not detected in the soil and groundwater samples， and the detected concentration of ¹³⁷Cs in the soil samples all reached the clean release levels specified by the national standard， while the surface contamination of beta was lower than the standard release level. The air-absorbed dose rate of gamma radiation was within the normal fluctuation range of environmental radioactivity levels in Jiangsu Province. This indicated that the entire irradiation room area of the irradiation decommissioning site did not cause environmental pollution during operation and on-site decommissioning and could reach the level of unrestricted openness. Simultaneously， the application of new high-recovery-rate soil sampling devices has significantly improved sampling efficiency and accuracy， providing robust support for soil and groundwater environmental investigations.

Key words: Irradiation Facilities Decommissioning Environmental Investigation Sampling Equipment