MARYLAND
The AARST Radon Report Card: Risk and Response
Population and Lung Cancer      Total Population: 6,035,802
Lung Cancer Deaths:
2,468
Age-Adjusted Lung Cancer Incidence Rate
(per 100,000) 51

Lung Cancer Cases
3,795
Estimated Radon-Induced Lung Cancer Cases
  485

Buildings and Exposure Potential
Pre-Mitigation Radon Tests: 47,941
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 1,905,864 541,790 2,447,654
New 12,300 6,191 18,491
Public Schools: 1,421
Statewide Radon Policies
Credential Required None
Radon Standards in Effect None
Homebuyer Protection Required Disclosure Only
Radon System Requirement for New Homes Zone 1 Counties
    Type of New Home Where Required One- and Two-Family
    Standard/Code for Radon System in New Homes IRC Appendix F
School Testing Required No
Radon System Requirement for New Schools No