Long Term Radon Test Echo

Understanding the Difference Between Short-Term and Long-Term Radon Testing If you are buying or selling a home in St. Louis, Missouri, you have probably heard about radon testing. Real estate transactions often require a radon test before closing, and most agents recommend a short-term radon test that takes two to seven days. That is a reasonable first step. But as a homeowner who wants to know the actual radon level you and your family live with day after day, a short-ter