Chapter 1: Health Effects
A discussion of the risks associated with radon.
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Chapter 7: Piping Systems
A description of the fans, piping, and indicator systems that are connected to the three ASD systems detailed in Chapters 4, 5 and 6.
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Chapter 2: Measurements
A summary of the most common measurement methods.
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Chapter 8: Caulking and Sealing
How caulking and sealing are used to improve the performance of ASD systems and reduce both operating costs and the potential for backdrafting.
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Chapter 3: Radon Entry
An explanation of radon entry and how it is minimized by mitigation systems that employ active soil depressurization techniques (ASD).
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Chapter 9: Combining Approaches
How a combination of approaches is used in homes with multiple types of foundations. Phasing and alternate technologies requiring contractors are described.
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Chapter 4: Crawl Space Systems
A detailed description of how sub-membrane depressurization systems are installed in homes with crawl spaces.
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Chapter 10: Safety
An in-depth discussion of safe installation practices, including personal protective gear and area ventilation. The need to check for backdrafting and post-mitigation radon testing is emphasized.
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Chapter 5: Drainage Based Systems
How existing sups and drain tiles can be modified for cost-effective radon reduction.
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Chapter 11: New Home Systems
How to install cost-effective radon control systems during new home construction.
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Chapter 6: Sub-Slab Systems
How sub-slab depressurization systems are designed and installed in basement, slab-on-grade and multi-level homes.
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Chapter 12: Selecting a Contractor
For people who want to make an educated decision about hiring a contractor to perform all or part of a mitigation system.
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