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SPRG User's Guide

PDF of User's Guide.

Welcome to the EPA's "Preliminary Remediation Goals for Radionuclides in Outdoor Surfaces at Superfund Sites" (SPRG) user's guide. Here you will find descriptions, equations, and default exposure parameters used to calculate the risk-based PRGs. Additional guidance is also provided on sources of parameters and proper SPRG use. It is suggested that users read the SPRG 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.

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1. Introduction

2. Understanding the SPRG Website

3. Using the SPRG Table

4. Land Use Descriptions, Equations, and Technical Documentation

5. Recommended Default Exposure Parameters

6. References