Relationship between short and long term radon measurements

A correlation was established between short term radon measurements (with a duration of two days) made in the spring season and those of a long term a ssessment used as an annual average. The objective and advantage of this co rrelation is that a short term measurement provides a reasonable estimate o f the mean radon concentration. It also provides an indication of the proba bility for high radon concentrations in a group of dwellings rather than ma king use of prediction for specific radon concentration in an individual dw elling to be used in evaluating the exposure to individuals. (C) 2001 Elsev ier Science Ltd. All rights reserved.