Case Studies
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Since the mid-1990s, PGLs founders were posed with many situations where traditional radon mitigation approaches would be very difficult or extremely expensive to employ. These situations were presented to PGL and its founding company, Colorado Vintage Companies, Inc. as a result of their position as lead trainers for the US EPA's Western Regional Radon Training Center founded in 1989 at Colorado State University. These perplexing situations were often presented by former students who had encountered the occasional "Radon House or Building from Heck." Although the use of radon measurements as a means to characterize a building is fully supported by PGL, there are situations where additional investigation of actual radon decay product levels may be prudent based upon the obstacles or costs presented by radon gas reduction. Similarly, PGL fully supports the use of active soil depressurization as an effective technique. However, there are situations where building conditions may already be reducing radon decay product exposures or the addition of other measures to improve indoor air quality may provide the collateral benefit of reducing radon decay product exposures. In other words, the measurement products provided by PGL, provide both the measurement and mitigation professionals additional "arrows in their quivers" to cost-effectively reduce radon risks. Here are a few examples, that may assist the radon professional or consumer in understanding where radon decay product measurements or alternate air quality treatment approaches would be appropriate. Click on each link below for a detailed description of the case. Case 1: Office building with under-slab return ducts Case 2: Home with under-slab return ducts Case 3: Measurements in Schools
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