title: Radon levels in United States homes by states and counties.
abstract: Results of 175,000 purchased Rn levels are presented by county and by state. Bias elimination techniques are described, and correlations with random selection-no charge studies are presented.
authors.affiliation: Physics Department, University of Pittsburgh, PA 15260.
authors.forename: B L
authors.initials: BL
authors.lastname: Cohen
authors.forename: R S
authors.initials: RS
authors.lastname: Shah
mesh_terms: D000396:Air Pollutants, Radioactive / Q000032:analysis*; D006798:Housing; D011886:Radon / Q000032:analysis*; D014481:United States
chemical_list: D000396:Air Pollutants, Radioactive; D011886:Radon