.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.
The US EPA has established the action level for deciding when you need to do something about the radon in your home, school, or work place is 4 pCi/l. Read more about the difference between safe and acceptable radon levels. pCi/l= pico curies per liter, the most popular method of reporting radon levels.For those interested in the numbers, a pico curie is 0.000,000,000,001 (one-trillionth) of a Curie, an international measurement unit of radioactivity.he US EPA has established the action level for deciding when you need to do something about the radon in your home, school, or work place is 4 pCi/l. Read more about the difference between safe and acceptable radon levels. pCi/l= pico curies per liter, the most popular method of reporting radon levels.