DELAWARE
The AARST Radon Report Card: Risk and Response
Population and Lung Cancer      Total Population: 965,479
Lung Cancer Deaths:
529
Age-Adjusted Lung Cancer Incidence Rate
(per 100,000) 58

Lung Cancer Cases
802
Estimated Radon-Induced Lung Cancer Cases
  71

Buildings and Exposure Potential
Pre-Mitigation Radon Tests: 12,214
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 373,376 59,542 432,918
New 5,824 715 6,539
Public Schools: 225
Statewide Radon Policies
Credential Required None
Radon Standards in Effect None
Homebuyer Protection Required Notification & Disclosure
Radon System Requirement for New Homes No
    Type of New Home Where Required N/A
    Standard/Code for Radon System in New Homes N/A
School Testing Required No
Radon System Requirement for New Schools No