.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.
Overview of Radon in Water Mitigation Techniques. If you have tested your private well and have confirmed your radon in water level to be 5,000 pCi/L or higher based. on the average of two water samples, CT DPH recommends that your home be fixed.