Summary report on active soil depressurization (ASD) field study .: H129-65/2016E-PDF
The long-term indoor post-mitigation results indicate that radon levels can be successfully lowered, and maintained, to levels well below the Canadian guideline value using an active soil depressurization (ASD) mitigation system with an indoor mounted fan and side-wall discharge. This further implies that indoor leakage of radon from the system, and re-entry of radon into the home from the exhaust stream, were not issues of concern for the systems tested. As predicted, extreme cold climatic conditions did not cause freeze-up issues or impact the function of the ASD fan or system, as system components were not directly exposed to harsh conditions in the way they may be with the traditional geometry. The alternative, and conveniently less expensive, ASD geometry has been shown to be quite viable.
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| Department/Agency | Canada. Health Canada. |
|---|---|
| Title | Summary report on active soil depressurization (ASD) field study . |
| Publication type | Monograph |
| Language | [English] |
| Other language editions | [French] |
| Format | Electronic |
| Electronic document | |
| Note(s) | Issued also in French under title: Rapport sommaire de l’étude sur le terrain portant sur la dépressurisation active du sol. Includes bibliographical references. |
| Publishing information | Ottawa : Health Canada, 2016. |
| Description | 8 p. : ill. |
| ISBN | 978-0-660-05672-2 |
| Catalogue number |
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| Departmental catalogue number | 160070 |
| Subject terms | Radiation Housing Safety measures |
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