HUD's Office of Multifamily Housing requires radon testing for most FHA insured multifamily mortgages (MAP or TAP applications). HUD’s policy requires that the radon measurement be performed by a radon professional that is both certified (by NRPP or NRSB) and State licensed where applicable.  ARC-1 Radon is certified, licensed, insured and has seven years’ experience in the radon measurement business.  


  • ​Market-leading radon measurement of multifamily buildings throughout much of the Midwest.   
  • State-of-the art equipment to provide a comprehensive and accurate radon measurement survey.  
  • A full report outlines the appropriate course of action.  ​
  • Quality Assurance Project Plan specific to each project.
  • ​Site Investigation and testing protocols undertaken to the appropriate National and / or State Standards. 
  • Reliable, Accurate, & Thorough Testing - That is a Promise.