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.
As humans we tend to be obsessed with things that are big. Whether itâs a car, a house, or a bank account it seems that the bigger the better. Today, however, weâre going to take a look at things that arenât very big at all. In fact, some are so small that they only exist in theory. So, whether itâs a miniature teddy bear or a hypothetical subatomic particle, these are the 25 smallest things in the universe. 12345View All.