Testing for Radon. Perform a radon test before you close on the property. Use EPA testing guidelines to choose a test and tester. Ask the tester how you can prevent device interference during the test. If radon levels are above 4 pCi/L, or your own stated maximum, use mitigation techniques for reduction, then test again. If Radon Levels Are Too High
They did research and came up with this spectacular invention of the worldâs most sensitive scale. The device can significantly measure the smallest unit of a mass, or also known as the yoctogram which is just one septillionth of a gram.
A molecule is the smallest part of a substance called a compound that still is that substance. For example, a molecule of water is the smallest bit of water that still is water. A molecule of a substance cannot be seen by the naked eye-a drop of water is made up of many, many molecules of water.