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Abstract
For a chemical that does not have a source inside a house, the ratio of its dust concentration indoors to its soil concentration outdoors is equal to the fraction of house dust that is composed of soil. To estimate the fraction of soil in house dust, we compiled ratios of the concentrations of a chemical in dust and soil from the scientific literature. We find that a lognormal distribution fits the data extremely well. This distribution is suitable for use in public health risk assessments for single‐family homes in temperate climates.
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