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.
By definition, density is the. mass of an object divided by its volume (D=M/V). Although it is easy to determine the mass of an. object using scales, it is very difficult to determine the volume of an object that has an irregular. shape such as the human body. It is possible to measure the volume of the human body by.