Despite maximum flattening of the lens, the eye is not able to focus the light rays further back, and on to the retina. People with short sight are not able to see distant objects clearly. Short sight or near sight mean exactly what the terms suggest. You are sighted (you can see), near (short) distance objects.
Cost of Radon Testing Kits. You can buy radon testing kits from laboratories, hardware stores or other retail stores that sell items related to home maintenance. Their cost varies, ranging from about $7 to $30, depending on the type of radon detector.Radon detectors fall into one of two general categories: short-term or long-term. Short-term devices measure radon levels for two to seven days, while the long-term devices take measurements for at least three months.heir cost varies, ranging from about $7 to $30, depending on the type of radon detector. Radon detectors fall into one of two general categories: short-term or long-term. Short-term devices measure radon levels for two to seven days, while the long-term devices take measurements for at least three months.
Clicking on the map of Illinois will open an interactive map of the state that displays average measured radon levels submitted to IEMA, color-coded by county. The map enables you to zoom in and out and to find average measured radon levels by county and zip code.Clicking on a county will bring up additional options for locating measurement and mitigation professionals as well as providing access to the measurement data for a specific county by zip code.1  Tweet. 2  Facebook.he Illinois Emergency Management Agency has conducted a statewide screening for indoor radon. The primary purpose of the screening was to determine whether there are particular regions within Illinois which are more prone to radon than others.