The Radon Report Card: Risk and Response
Population and Lung Cancer      Total Population: 3,571,520
Lung Cancer Deaths:
Age-Adjusted Lung Cancer Incidence Rate
(per 100,000) 53
Lung Cancer Cases
Radon-Induced Lung Cancer Cases
  * Medical Costs (hospital, medicine, doctors)
  * Economic Costs (lost wages / productivity)

Buildings and Exposure Potential
Pre-Mitigation Radon Tests: 45,708
Percent by Radon Level  
  < 2 pCi/L

  ≥ 2 to < 4 pCi/L

  ≥ 4 pCi/L

Housing Units by Structure Type
1 to 4 Units 5 or More Units Total
Existing 1,242,134 274,069 1,516,203
New 2,701 3,153 5,854
Public Schools: 1,003

EPA and ANSI-AARST Radon Measurement Standards recommend fixing a building with a radon level ≥ (above or equal to) 4 pCi/L and consider fixing it if any radon level is ≥ 2 and < (below) 4 pCi/L.
Statewide Radon Policies
Credential Required Private Certification and State Registration (Mitigation Only)
Radon Standards in Effect ANSI-AARST (Mitigation Only)
Homebuyer Protection Required Disclosure Only
Radon System Requirement for New Homes All Counties
    Type of New Home Where Required One- and Two-Family
    Standard/Code for Radon System in New Homes IRC Appendix F modified
School Testing Required Post-2003 buildings
Radon System Requirement for New Schools Zones 1 and 2