Dose Compliance Concentrations for Radionuclides in Outdoor Surfaces (SDCC)

Welcome to the EPA's "Dose Compliance Concentrations for Radionuclides in Outdoor Surfaces at Superfund Sites" (SDCC) user's guide. Here you will find descriptions, equations and default exposure parameters used to calculate the dose-based SDCCs. Additional guidance is also provided on sources of parameters and proper SDCC use. It is suggested that users read the SDCC FAQ page before proceeding. The user guide is extensive so please use the "Open All Sections" and "Close All Sections" links below as needed. Individual sections can be opened and closed by clicking on the section titles. Before proceeding through the user's guide please read the Disclaimer.