Acute Dose Calculator (USEPA)
The Acute Dose Calculator is a program which calculates acute radiation doses from an oral inhalation intake of radionuclides. The calculation can be made for selected time periods after intake.
Below are two versions of the program: Acute Dose Calculator (Complete), which contains all files necessary to run the calculations and Acute Dose Calculator for use with the FGR 13 CD supplement, which allows the user to obtain two of the necessary files from the CD, rather than downloading them. Both versions contain a README file.
Acute Dose Calculator (Complete) ZIP (single 137Mb file [about zip format ] )
Or download in multiple files:
If you have difficulty in downloading these large files, please contact us at radiation.information@epa.gov for a CD version.
Acute Dose Calculator (for FGR13 CD) (ZIP) ( 350Kb [ about zip format ] )
Update: CD Supplement (April, 2002) *
Interactive Viewer for Risk and Dose Coefficients (Installs on user's hard drive.) (All files are in PDF format.)
- FG Report 11 (EPA 520/1-88-020)
- FG Report 12 (EPA 402-R--93-001)
- FG Report 13 (EPA 402-R-99-001)
- Radiogenic Cancer Risk (EPA 402-R-93-076)
- FG-13 QA Report (ORNL)
- FGR-13 DATA Archive (ASCII Files)
- Archives of FGR-13 materials in following folders:
- DCAL: DCAL input files used in preparation of FGR-13
- RISK: US survival function, lifetime risk coefficients (LRC), cancer vs. organ mapping, age/gender usage data, lifetime risk per unit intake as a function of age for ingestion and intakes of the radionuclides
- CANCER: US age and gender specific cancer force of mortality files
- DOSE: Age-specific absorbed dose rate (low & high LET) for each cancer site following a unit intake via ingestion and inhalation at the specified age
- FGR-13PAK:FORTRAN source code and data files to access FGR-13 risk and dose coefficients from user programs
*The August 2000 CD Supplement contains errors in the viewer, and should be replaced with the April 2002 Revision.
To obtain copies of the CD, request EPA 402-C-99-001:
By E-Mail:
Lindsey Bender (bender.lindsey@epa.gov)
By US Mail:
U.S. Environmental Protection Agency
Office of Radiation and Indoor Air
Radiation Protection Division
1200 Pennsylvania Avenue, NW (MC 6608J)
Washington, DC 20460-0001
CAP88-PC. EPA has approved the use of CAP88-PC for demonstrating compliance with 40 CFR 61.93 (a), NESHAPs subpart H. Emissions of Radionuclides Other than Radon from Department of Energy Facilities.
New Version 3 available.
Convert 4.10. Unit conversions. No HP units, but a good tool nevertheless.
Download Convert 4.10 zip file.
COMPASS. The COMPASS software was designed to facilitate the use of MARSSIM and guide the user into making informed decisions in designing final status radiological surveys.
Download COMPASS Version 1.0 from ORISE
Comply. A computerized screening tool for evaluating radiation exposure from atmospheric releases of radionuclides. May be used for demonstrating compliance with some EPA and Nuclear Regulatory Commission regulations.
Download Version 1.6
Cumulative Probability Plot. Plots empirical data on cumulative probability distribution graphs. Cumputes parametric statistics and a "test statistic" based on "sampling by variables." Useful for visual presentation of characterization and final status surveys for buildings and land.
Programmed by Bob Tuttle, Brian Oliver and Ray McGinnis.
Download and install Cumulative Probability Plot Version 3.0.
EPA Remediation Goals
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Preliminary Remediation Goals (PRGs). Soil cleanup levels based on theoretical 10-6 risk levels.
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Dose Compliance Concentrations (DCCs). Soil Cleanup Levels based on user input dose levels .
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Preliminary Remediation Goals for Radionuclides in Buildings (BPRG).
DandD. Software to support license termination, developed by the NRC
Download DandD Version 2.1
DCAL (Dose & Risk Calculation). DCAL is a comprehensive software system for the calculation of tissue dose and subsequent health risk from intakes of radionuclides or exposure to radionuclides present in environmental media. The system includes extensive libraries of biokinetic and dosimetric data and models representing the current state of the art. DCAL maybe used either in an interactive mode or in a batch mode and is intended for experienced users with knowledge of computational dosimetry.
Download software
Elipgrid-PC Hot Spot Probability. ELIPGRID-PC is a program for the design and analysis of sampling grids for locating elliptical targets (e.g., contamination "hot spots").
Download ELIPGRID-PC zip file.
GENII-NESHAPS. The GENII System provides a state-of-the-art, fully documented set of software for calculating radiation dose and risk from radionuclides released to the environment. The GENII-NESHAPS Edition is specifically designed to help site managers plan and improve compliance with 40 CFR 61, Subparts H and I.
Download Version 2.0
Health Physicist's Companion. Commercial software from Syberad at $270.
Database of more than 2,800 nuclides. Decay calculations. Dose rates and radiation shielding. Beta emission dose rates. Photon attenuation coefficients database. Radiological units conversion. Serial decay and ingrowth calculations, and display. X-ray dose rates (for tube V, mAs & distance). Attenuation in shielding materials. Integrated algebraic scientific calculator. On-line help and radiation tutorials. Hypertext version of the Ionising Radiations Regulations 1999 (UK only).
Hotspot Health Physics Codes. Hotspot provides a fast means for estimation the radiation effects associated with the short-term (less than 24 hours) atmospheric release of radioactive materials. Scenarios include nuclear weapons, "dirty bombs" or any airborne dispersion incident. Developed by the Lawrence Livermore National Laboratory (LLNL).
Download Hotspot 2.0 zip file from LLNL.
MARSSIMPower2000. This software implements the final status survey designs described in the MARSSIM manual.
Download MARSSIMPower2000
MicroShield. MicroShield® is a comprehensive photon/gamma ray shielding and dose assessment program that is widely used for designing shields, estimating source strength from radiation measurements, minimizing exposure to people, and teaching shielding principles. MicroShield is commercial software sold by Grove Software Inc.
MicroSkyShine. MicroSkyshine® calculates the photon dose from sky scattered gamma ray radiation. MicroSkyshine is commercial software sold by Grove Software Inc.
Neutron Activation Calculator. Online search for radioactive activation products of elements and nuclides exposed to neutron radiation.
PRESTO. PRESTO(Prediction of Radiological Effects Due to Shallow Trench Operations) is a computer model for evaluating radiation exposure from contaminated soil layers, including waste disposal, soil cleanup, agricultural land application, and land reclamation.
Download Version 4.2
Radcalc 4.0 . Radcalc is a shareware software program that has applications in the transportation and packaging of high- and low-level radioactive waste. (Not to be confused with the commercial health physics software by the same name. See below).
Radcalc. Health Physics toolbox.
Radiation Decay. RADIATION DECAY provides radioactive decay information for many radionuclides. Data provided include the half life, radioactive daughter nuclides, decay chain series, probabilities per decay, and decay product energies for alphas, betas, positrons, electrons, X-rays, and photons. A search for nuclide by energy range is also included
Download Radiation Decay
Radiation Dose to Risk Convertor. Online calculation of theoretical health risk associated with a radiation dose.
Radioactivity Unit Converter. Online conversion of a wide range of units, including many radiation units.
Radon Individual Dose Calculator. Online calculation of the radiation dose rate, dose, and health risk for an individual exposed to a known concentration of radon and its decay products.
Rad Pro Calculator. Programmed by Ray McGinnis. New and improved downloadable and on-line versions available.
On-line Version
Downloadable PC Desktop Version
Downloadable PDA Version for Pocket PC and Smartphone
Rad Pro Calculator online performs many nuclear calculations that are useful to the health physicist, radiological researcher, radiochemist, radiation safety officer, health physics technician (HP) and nuclear medicine professional. It calculates, among other things, radiation safety units conversions (SI and US customary) and gamma emitter dose rate and activity. Other calculations include:
1) Gamma shielding equations (with or without buildup)
2) Beta emitter dose rate and activity
3) Dose-rates for x-ray machines and devices
4) Grams of plutonium (Pu) and uranium (U) from activity
5) Decay and half life equations
6) Bremsstrahlung x-ray calculations for beta interactions
7) Uranium fuel loading ratios
8) Uranium enrichment from U-234 and U-238 lab data
9) Inverse Square Law calculations for electromagnetic energies
10) Minimum detectable concentration and contamination (MDC)
11) ALARA calculations for dose and job planning
RESRAD Family of Codes. RESRAD a DOE-developed code used for the calculation of dose from all pathways from radioactively contaminated sites. Developed by Argonne National Laboratory.
RESRAD 6.21 - Onsite residential, industrial or wilderness exposure scenarios for contaminated soils.
RESRAD-Build 3.21 - Occupancy exposure scenario for contaminated building.
RESRAD-Recycle 3.06 - Exposure scenarios for recycled materials and equipment.
RESRAD-Offsite (beta) - Offsite exposures from airborne and groundwater pathways.
RESRAD-Baseline (beta) - Follows EPA's guidance on risk assessment for superfund (RAGS).
RESRAD-Biota (beta) - Risk to aquatic and terrestrial biota.
Download all elements.
Spatial Analysis and Decision Assistance (SADA). SADA is free software that incorporates tools from environmental assessment fields into an effective problem solving environment. These tools include integrated modules for visualization, geospatial analysis, statistical analysis, human health risk assessment, ecological risk assessment, cost/benefit analysis, sampling design, and decision analysis. The capabilities of SADA can be used independently or collectively to address site specific concerns when characterizing a contaminated site, assessing risk, determining the location of future samples, and when designing remedial action.
Download version 4.3
Uranium Enrichment Calculator Online. Calculates uranium enrichment from lab results for U-234 and U-238. Calculates U-234, U-235 and U-238 mass and activities for any enrichment. Programmed by Ray McGinnis. Also a part of Rad Pro Calculator Desktop.
Universal Decay Calculator. Online calculation of radioactive decay of 497 nuclides, including ingrowth and decay of their progeny.
Uranium Decay Calculator. Online calculation of radioactive decay and ingrowth of uranium and its decay products for a variety of nuclide mixes found in the nuclear fuel industry. Covers the natural U-238 and U-235 series, and the artificial U-236 and U-232 series.
Uranium in Soil Individual Dose Calculator. Online calculation of the radiation dose and risk for an individual living on soil contaminated from uranium and/or in a home built from such contaminated material (residential exposure scenario).
Uranium Radiation Individual Dose Calculator. Online determination of the radiation dose for an individual that is exposed to a known amount of uranium and/or its decay products. For a variety of nuclide mixes found in the nuclear fuel industry, this calculator covers ingestion, inhalation, external exposure from contaminated soil, and external exposure from a point source. Calculations can not only be performed for actual exposure situations, but also for future scenarios, taking decay and ingrowth of decay products into account.
Uranium Radiation Organ Dose Calculator. Online calculation of radiation organ doses according to ICRP 72 for a member of the public, and determination of theoretical risk of contracting a certain type of cancer.
Visual Sample Plan (VSP). VSP provides statistical solutions to sampling design, world-class mathematical and statistical algorithms, and a user-friendly visual interface, while answering two important questions in sample planning ... how many samples to take and where to take them?
Download VSP 3.0
User Manual.
visitors since 06/16/2004