… ) analysis of 548,547 indoor and short-term radon test results compiled by the PADEP
during 1990–2007 reported that 39% of radon tests exceeded the US EPA action level and that …

… source of indoor radon in Norwegian … of indoor radon concentrations exceeding the action
level of 200Bq/m3. Note that there is an on-going discussion in Norway if the action level …

… We conclude that the average radon concentration level in Irbid city was about 44 Bq m - …
radon levels than the other parts. This average ( 44 Bq m - 3 ) is equivalent to an annual radon …

… factors that strongly affect the indoor radon levels such as: indoor air-conditions, ventilation
… the indoor radon concentration and studied the seasonal variations of indoor radon levels to …

… other reports that suggest low-level exposures to 222Rn have a … action level of 4 pCi/L
for indoor radon is overly conservative and needlessly prompting homeowners to install radon …

… establishing reference levels and radon action plans aimed to reduce or limit exposure to
radon. A … One task included in radon action plans is estimating the geographical distribution of …

… radon concentrations above the Austrian action level of 400 Bq m- 3 in winter, 33% in
summer. There are indications that the high radon … The unusually high radon concentrations in …

… The indoor radon concentrations and the radon exhalation rate of some building materials
in Egypt … activity concentrations well below the recommended EC action level of 1 MBq m …

… general perception of indoor radon levels. This, in turn, has led to action programs aimed at
… on finding and fixing houses with genuinely high levels. One contributor to this exaggerated …

… of invitations to existing homes to measure and recommendation to remediate for measurements
above an action level of 100 Bq/m3 in areas with mean indoor radon 60 Bq/m3 (bottom) …