DISCOVERY OF A CS-137 HOT PARTICLE IN MUNICIPAL WASTE-WATER TREATMENT SLUDGE

被引：1
|
作者：
LARSEN, IL [1 ]
LEE, SY [1 ]
BOSTON, HL [1 ]
STETAR, EA [1 ]
机构：
[1] COLORADO STATE UNIV, DEPT RADIOL HLTH SCI, FT COLLINS, CO 80523 USA
来源：
HEALTH PHYSICS | 1992年 / 62卷 / 03期
关键词：
CS-137; RADIATION; GAMMA; BREMSSTRAHLUNG; WATER TREATMENT;
D O I：
10.1097/00004032-199203000-00004
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Analysis of primary treatment sludge from a municipal wastewater treatment plant revealed elevated Cs-137 concentrations in one sample. This elevated activity was associated with a radioactive particle that, when isolated and quantified, was found to contain 1.82 kBq of Cs-137. Additional analysis indicated an absence of alpha activity, and energetic beta radiation, if present, was less than the Cs-137 activity. The particle was approximately 50-mu-m in diameter, appeared not to be an aggregate, and was nonmetallic.
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页码：235 / 238
页数：4
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