If high levels are found as well as the residence has a private well, call the Safe Alcohol consumption Water Hotline at for details on testing your water. You will lower your danger of lung cancer when you decrease levels, even if you've lived with an elevated radon degree for a long period of time. The state's radon in water MEG degree of 4,000 pCi/l is based upon the expense of a mitigation system as well as factor to consider of the health risk reduction it will certainly provide to the occupants of the house. This is likewise true concerning the state's radon in air action degree of 4 pCi/l.