Radon Intrusion Regulatory Guidance

Federal Radon Intrusion Guidance, all in one place. Last updated 4/1/2021.

Agency	Guidance Documentation & Resources
US EPA Radon Program	Radon Standards of Practice Guidance on Use of Consensus Standards - August 2019 Proposed Criteria for Credentialing Organizations EPA Map of Radon Zones National Radon Action Plan Citizen's Guide to Radon Radon in Schools
US HUD Multifamily Housing Program	Multifamily Accelerated Processing (MAP) Guide - January 2016 Rental Assistance Demonstration (RAD) Guide - September 2019 Multifamily Notices Real Estate Assessment Center (REAC) Multifamily Regional Offices

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