The Risk Assessment Information System
Home
Chemical Tools
Chemical Toxicity
Chemical Toxicity Values
Chemical Toxicity Metadata
Chemical Data Profiles
Dioxin Equivalent Concentration Calculator
PAH Equivalent Concentration Calculator
Chemical Parameters
PRG Calculator & User's Guide
Risk Calculator & User's Guide
ARAR Search
Ecological Benchmarks
Adult Lead Model
Adult Lead Soil Risk Calculator
Adult Lead Soil PRG Calculator
Media Transport Tools
Groundwater Transport Calculator
PEF Transport Calculator
VF Transport Calculator
Background Values
Generic Background Values
Oak Ridge Background
Portsmouth Background
Paducah Background
Radionuclide Tools
Radionuclide Toxicity
Radionuclide Slope Factors
Radionuclide Dose Conversion Factors ICRP 107
Radionuclide Dose Conversion Factors ICRP 30
Radionuclide Dose Conversion Factors ICRP 60
Radionuclide Parameters
PRG Calculator & User's Guide
Risk Calculator & User's Guide
ARAR Search
Ecological Benchmarks
Media Transport Tools
Groundwater Transport Calculator
PEF Transport Calculator
Background Values
Generic Background Values
Oak Ridge Background
Portsmouth Background
Paducah Background
Tutorials
RAIS Main Tutorial
What is Risk Assessment
NIH ToxTutor
Guidance
ORO Risk Assessment Guidance
Technical Memoranda
EPA Regulatory Guidance
EPA Human Health Guidance
EPA Ecological Guidance
EPA Regional Supplemental Guidance
State Guidance
Partners & Collaborations
ORNL
ORNL Environmental Sciences
ORNL Environmental Risk and Energy Analysis Group
Center for Radiation Protection Knowledge
DOE Oak Ridge
UTK Ecology and Evolutionary Biology
World Health Organization
UCOR
State of Alaska
Cleanup Levels Calculator
Cumulative Risk Calculator
State of Delaware
Risk Calculator
SADA
EPA Chemical Tools
Regional Screening Levels for Chemicals (RSLs)
Chemical Vapor Intrusion Screening Levels (VISLs)
Regional Removal Management Levels for Chemicals (RMLs)
Provisional Peer Reviewed Toxicity Values for Superfund (PPRTV)
Health Effects Assessment Summary Tables for Superfund (HEAST)
EPA Radiation Tools
Preliminary Remediation Goals for Radionuclides (PRG)
Preliminary Remediation Goals for Radionuclides in Buildings (BPRG)
Preliminary Remediation Goals for Radionuclides in Outdoor Surfaces (SPRG)
Dose Compliance Concentrations for Radionuclides (DCC)
Radon Vapor Intrusion Screening Level (RVISL)
Dose Compliance Concentrations for Radionuclides in Buildings (BDCC)
Dose Compliance Concentrations for Radionuclides in Outdoor Surfaces (SDCC)
Radionuclide Decay Chain Tool
Support
Training
Contact
Document Search
Glossary
New Items
FAQ
RAIS Support Form
Tell us more about your issue
Contact Information
Name* (required)
Email* (required)
What Tool Set Were You Using?
Chemical
Radionuclide
Other
Chemical Toxicity
Chemical Parameters
Chemical PRG Calculator
Chemical Risk Calculator
ARAR Search
Ecological Benchmarks
Adult Lead Model
Chemical Media Transport Tools
Soil Background Values
Radionuclide Toxicity
Radionuclide Parameters
Radionuclide PRG Calculator
Radionuclide Risk Calculator
Gamma Radiation Instrument Response Calculator
Radionuclide Decay Chain Tool
Radionuclide Media Transport Tools
Tutorials
Guidance Documents
Document Search
Staff
Glossary
FAQ
New Items
Tell us what went wrong (select all that apply)
Database Error
Cannot find answer to a question
Scenario
Resident
Indoor Worker
Outdoor Worker
Composite Worker
Excavation Worker
Construction Worker
Recreator
Farmer
Media
Soil
Air
Tap Water
Fish
Soil to Groundwater
Soil - Unpaved Road Traffic
Soil - Other Construction Activities
2-D External Exposure
Soil/Sediment
Surface Water
Game and Fowl
Combined Soil and Biota
Combined Water and Biota
Biota Direct
Biota from both Soil and Water
Tool Inputs
Defaults
Site Specific (database defaults)
Site-Specific (User-Provided mode with no changes)
Site Specific (User-Provided mode with changes)
Other
Please describe the issue with as much detail as possible* (required)
Copy any error messages or type in a detailed description of the problem in the box below
Join the RAIS User's Group for Updates
Register