.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.
You have tested your home for radon and confirmed that you have elevated radon levels â 4 picocuries per liter (pCi/L) or higher. The EPA recommends that you take action to reduce your home's radon levels if your radon test result is 4 pCi/L or higher.