First Alert RD1 Radon Test Kit

This simple test can tell you if radon is present, and instruct you what corrective action to take. The First Alert(R) name lets you know it's a product you can trust. Charcoal test kit traps particle traces. Short term test takes only 2-3 days in home. Price includes lab analysis by an Environmental Protection Agency listed lab. What is radon? Radon is a naturally occurring radioactive gas produced by the breakdown of uranium in soil, rock and water. All rocks contain some uranium, though most only contain a small amount. Some rocks have higher than average uranium contents, and.