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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.  

Illinois Professional Radon Measurement License RNI2021224

Residential - Schools - Day Care Facilties - Commercial Buildings

Arc-1 Radon Detection - Commercial Radon Testing

Specializing in Professional Radon Measurement of FHA Insured Multifamily Housing, Schools, & Daycare Centers.   

Reliable, Accurate, & Through Radon Testing - That is a Promise

Since we specialize in radon testing and do not perform mitigation there is no conflict of interest.

​​ARC-1 Radon Detection

618-606-5542