If you select a diy residence radon examination, you have numerous choices, beginning with a long-lasting or temporary test. Many property owners select a short-term, 48-hour house radon test set. They are very easy to make use of and also come with step-by-step directions. A long-lasting test device, called an alpha track, is left in position for 3 to 12 months prior to you send it to the research laboratory for analysis.