Indoor Radon: Site Evaluation

by Charles Kunz, New York State Dep of Health, United States,

Document Type: Proceeding Paper

Part of: Environmental Engineering


The soil parameters most important in evaluating the indoor radon potential of a building site are the soil radium concentration, the soil-gas radon concentration and the permeability of the soil for gas flow. By combining a measure of the concentration of radon in the soil gas entering the substructure of homes (soil radium concentration or soil-gas radon concentration) with a measure for the flow rate of soil-gas into the homes (permeability), one can estimate anticipated mean indoor radon concentrations. Measurement techniques and soil parameter variability are discussed.

Subject Headings: Soil gas | Gas flow | Radon | Site investigation | Parameters (statistics) | Permeability (material) | Flow measurement | Fluid flow

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