Q.Radon Gas Potential on property disclosure report
지역California
아이디h**song****
조회873
공감0
작성일10/26/2010 11:50:04 PM
I got a report that states entire county is designated as a zone 2(2 to 4pCi/L) Is this normal in this county?
zone 1 low potential under 2 pCi/L
zone 2 moderate potential 2 to 4 pCi/L
zone 3 higest potential greater than 4 pCI/l
Can you please explain?