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ACI Home Performance Conference 2007
HEAL 8 - Can You Name Six Harmful Soil Gases?
Thursday, April 26, 2007 · 10:40 AM - 12:20 PMWhat’s a soil gas? Why should I care? Well, most soils are forty percent void and sixty percent dirt. The bigger the voids, the easier it is for air to move around underground. Oops! It is not all air – there are sources of radon, methane, and chemicals down there too! In most low rise buildings, one to five percent of the make-up air comes in from below grade. In unusual conditions it can be as extreme as twenty percent.
By attending this session participants will
- Name six sources of underground air contaminants that have been known to cause problems in buildings
- Identify the sources of suction that draws soil air into houses
- Understand the two common fixes for soil gas problems
Keyword(s): building pressurization, indoor air contaminant, soil depressurization, soil gas, ventilation
Type: Workshop
Track: Healthy Homes
CEU: Energy and Environmental Building Association (EEBA) American Institute of Architects (AIA) American Society of Home Inspectors (ASHI) Building Performance Institute, Inc. (BPI) National Association of Certified Home Inspectors (NACHI) National Association of the Remodeling Industry (NARI)
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