Radon Infiltration in Rented Accommodation

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Abstract

Indoor radon levels were measured in 221 homes located in 53 buildings, including 28 multi-occupant houses and 25 single-family terraced houses. The homes consisted of rented accommodation located in buildings recorded as being constructed before 2010 and after the year 1850. The radon level in homes was measured and the Buildings were registered for a series of variables describing upgrades, facilities, building components, Construction characteristics and used materials. In addition, the radon level was measured in the basement in 9 of the buildings. The mean year value of the indoor radon level was 30.7 (1–250) Bq/m3. The indoor radon level exceeded 100 Bq/m3 in 5.9% of the homes, all located in single-family terraced houses. The investigated variables explained 5.9% of the variation in indoor radon levels, and although associations were positive, none of these, besides homes in single-family terraced houses, were statistically significant. However, a number of the variables seem to characterise homes with a low radon level. Approx. 75% of homes exceeding 100 Bq/m3 indoor radon level had levels between 100 and 200 Bq/m3 and 25% had indoor radon levels exceeding 200 Bq/m3. The risk of indoor radon levels exceeding 100 Bq/m3 in homes in multi-occupant houses was found to be very low, but the risk was highest on the ground floor in a building constructed with slab on ground.
Original languageEnglish
Title of host publicationWorld Sustainable Built Environment Conference 2017 Hong Kong : Transforming SBE Policies for People
Number of pages7
PublisherConstruction Industry Council Hong Kong
Publication date5 Jun 2017
Pages2307-2313
Chapter9
ISBN (Print)978-988-77943-0-1
Publication statusPublished - 5 Jun 2017
EventThe World Sustainable Built Environment Conference 2017 Hong Kong (WSBE17 Hong Kong) - Hong Kong, Hong Kong
Duration: 5 Jun 20177 Jun 2017
Conference number: WSBE17

Conference

ConferenceThe World Sustainable Built Environment Conference 2017 Hong Kong (WSBE17 Hong Kong)
NumberWSBE17
CountryHong Kong
CityHong Kong
Period05/06/201707/06/2017

Cite this

Rasmussen, T. V. (2017). Radon Infiltration in Rented Accommodation. In World Sustainable Built Environment Conference 2017 Hong Kong: Transforming SBE Policies for People (pp. 2307-2313). Construction Industry Council Hong Kong .