Comparison of Radon Results in 4- Versus 6-Plex Townhouse Units
In this work, to determine whether there were any significant differences in radon frequency between 4-unit (4-plex) and 6- unit (6-plex) multifamily buildings, an analysis was performed on three different populations of townhouses: one located within an Environmental Protection Agency (EPA) Radon Zone 1 site (Population A) and two others, both located in an EPA Radon Zone 3 site (Populations B and C). Within their respective population grouping, all units were two stories, identical in construction and floor plan, and were constructed by the same contractor over a 1- to 2-year period. In addition, each unit had its own separate, ducted forced-air heat pump. Long-term radon testing was performed using alpha track detectors (ATDs) for a period of 180 days. All detectors were placed in accordance with EPA residential sampling protocols (EPA 402-R-92-003) along the centerline of each unit. Followup testing (short-term, 7-day electret) was performed in all units in which the ATD test results were ≥4 pCi/L, and all elevated results were confirmed.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1607292
- Journal Information:
- The Radon Reporter, Journal Name: The Radon Reporter Journal Issue: Winter Vol. 2019; ISSN 9999-0019
- Publisher:
- American Association of Radon Scientists & TechnologistsCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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