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.
The term hectometer is seldom used. The usual non-astronomical length or distance measurements with the SI system are in nanomâ¦eters, microns (or micrometers), millimeters, meters, and kilometers, each being 1,000 times greater than the previous measurement unit. 1 person found this useful.