.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.
record radiation levels were found in a house where the effective dose due to ambient radiation fields was 131 msv a 13 1 rem yr and the internal committed dose from radon was 72 msv a 7 2 rem yr this unique case is over 80 times higher than the world average natural human exposure to radiation