Published December 2021 | Version v1
Journal article Metadata-only

Field measurement of the unattached fraction and activity concentration ratio of radon progeny in typical dwellings

Creators

  • 1. School of Nuclear Science and Technology, University of South China, Hengyang, Hunan 421001 (China)
  • 2. Division of Ionizing Radiation Metrology, National Institute of Metrology, Beijing 100029 (China)
  • 3. State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871 (China)
  • 4. State Key Laboratory of NBC Protection for Civilian, Beijing 102205 (China)

Description

The unattached fraction (fp) and activity concentration ratio of radon progeny (C218Po : C214Pb : C214Bi) are important for radon exposure dose evaluation. For getting these characteristic parameters in dwellings, a series of field measurement was carried out. For comparison, a semi-continuous measurement was carried out in an office room and outdoors. Results show that the average fp is 4.5% ± 2.2% and 3.8% ± 1.7% in city dwellings and in rural dwellings, respectively. The average activity concentration ratios are 1:0.94:0.70 for radon progeny and 1:0.07:0.06 for unattached radon progeny in city dwellings, while those in rural dwellings are 1:0.88:0.66 and 1:0.09:0.07. The average values of fp are 5.1% ± 0.9% and 5.4% ± 3.1% in the office room and in outdoors without significant difference. The average activity concentration ratios are 1:0.88:0.77 for radon progeny and 1:0.11:0.11 for unattached radon progeny in outdoors. (authors)

Availability note (English)

Available from doi: http://dx.doi.org/10.1093/rpd/ncab166

Additional details

Identifiers

DOI
10.1093/rpd/ncab166;

Publishing Information

Journal Title
Radiation Protection Dosimetry
Journal Volume
197
Journal Issue
3-4
Journal Page Range
p. 125-134
ISSN
0144-8420

INIS

Country of Publication
United Kingdom
Country of Input or Organization
France
INIS RN
53041262
Subject category
S61: RADIATION PROTECTION AND DOSIMETRY; S54: ENVIRONMENTAL SCIENCES;
Descriptors DEI
ECOLOGICAL CONCENTRATION; PROGENY; RADIATION DOSES; RADIATION HAZARDS; RADIATION MONITORING; RADON; SURFACE CONTAMINATION; SURFACE CONTAMINATION MONITORS; URBAN AREAS
Descriptors DEC
CONTAMINATION; DOSES; ELEMENTS; FLUIDS; GASES; HAZARDS; HEALTH HAZARDS; MEASURING INSTRUMENTS; MONITORING; MONITORS; NONMETALS; RADIATION MONITORS; RARE GASES

Optional Information

Notes
41 refs.