.pld Extension - List of programs that can open .pld files In the following table, you can find a list of programs that can open files with .pld extension.This list is created by collecting extension information reported by users through the 'send report' option of FileTypesMan utility.
According to a national residential radon survey completed in 1991, the average indoor radon level in the United States is 1.3 picocuries per liter (pCi/L). The average outdoor level is about 0.4 pCi/L. Excessive radon levels have been found in all of the 50 states.
Radon is an invisible, tasteless gas that can enter your home through cracks and holes in the basement walls and floor. When radon decays, the tiny, ratio-active particles are released into the air you breathe. Breathing in air containing radon may increase your risk of lung cancer.he results of a radon test will give you the level of your homeâs indoor radon level. EPA recommends that action is taken to reduce the radon level in your home if the test results are 4pCi/L or higher.