RAIS Preliminary Remediation Goals (PRGs) for Radionuclides User's Guide

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As of November 2014 the exposure models presented here use values from the EPA's Exposure Factor Handbook. Also every attempt was made to duplicate the exposure models, element-specific parameters and slope factors used by the EPA's Radionuclide PRG Calculator. This RAIS calculator also presents additional exposure models.

1. Introduction

2. Understanding the Calculator Results

3. Using the PRG Calculator

4. Land Use Descriptions, Equations, and Technical Documentation

5. Recommended Default Exposure Parameters

6. References