EPA 402-R-92-003 Protocols for Radon and Radon Decay Product Measurements in Homes  

This document presents the U.S. Environmental Protection Agency's (EPA) technical guidance for measuring radon concentrations in residences. It contains protocols for measuring radon for the purpose of deciding on the need for remedial action, as presented in the 1992 Citizen's Guide to Radon (EPA 402-K-92-001; U.S. EPA 1992a), and in the Home Buyer's and Seller's Guide to Radon (EPA 402-R-93-003; U.S. EPA 1993).