Permissible Limits of Radon Concentrations Posted by Deveshwori Maibam September 14, 2010 - 05:07 AM Post New Forum Thread Deveshwori Maibam Deveshwori Maibam I would like to know the most recent permissible limits of Radon Concentrations in air and for drinking water set up by UNSCEAR, ICRP and EPA.Regards, D.Maibam Categories radon concentrations radon homeowners government action level Your Rating Select ratingGive Permissible Limits of Radon Concentrations 1/5Give Permissible Limits of Radon Concentrations 2/5Give Permissible Limits of Radon Concentrations 3/5Give Permissible Limits of Radon Concentrations 4/5Give Permissible Limits of Radon Concentrations 5/5Cancel rating Average: 1 (1 vote) Rate