Radon Levels In Illinois By Zip Code - Web the purpose of this map is to assist national, state and local organizations to target their resources and to implement. Web view map disclaimer and purpose. Ca, co, ct, fl, il, in, ia, ks, ky, me, mn, ne, nh, nj, oh, pa, ri,. Web the average illinois indoor air radon concentration is 5.1 pci/l, above the epa action level (source: Within this site you will find information about radon levels of every illinois county. Web states with credentialing programs to date: Zone 3 (3 counties) zone 2 (43 counties) zone 1 (56 counties) highest potential: This map is not intended to be used to determine if a home in a given county or zip code should.
Zone 3 (3 counties) zone 2 (43 counties) zone 1 (56 counties) highest potential: Within this site you will find information about radon levels of every illinois county. Web the purpose of this map is to assist national, state and local organizations to target their resources and to implement. Web view map disclaimer and purpose. Web the average illinois indoor air radon concentration is 5.1 pci/l, above the epa action level (source: Web states with credentialing programs to date: This map is not intended to be used to determine if a home in a given county or zip code should. Ca, co, ct, fl, il, in, ia, ks, ky, me, mn, ne, nh, nj, oh, pa, ri,.