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RAMP Website
Radiation Protection Computer Code Analysis and Maintenance Program
  • Codes
      1. A to N
        1. CAP 88 (Distributed by EPA)
        2. DandD
        3. GALE
        4. GENII
        5. HABIT
        6. IMBA
        7. MILDOS
        8. NRC-RADTRAN
        9. NRCDose3
      2. P to Z
        1. PIMAL
        2. RASCAL
        3. RESRAD (Distributed by Argonne)
        4. SIERRA ATD
        5. SNAP/RADTRAD
        6. TableCalculator
        7. Turbo FRMAC (Distributed by Sandia)
        8. V+
        9. VSP (Distributed by PNNL)
      3. Category
        1. Atmospheric Assessment
        2. Emergency Response
        3. Environmental Assessment
        4. Nuclear Power Plant Licensing
        5. Other Dose Assessment
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RADTRAD v5.1.1 Release

Announcement

SNAP/RADTRAD version 5.1.1 includes bug fixes for the Regulatory Guide 1.183, Revision 1 implementation and adds the new Gamma Energy Output Tool (GEOTool). 

  • Read more about RADTRAD v5.1.1 Release

October 2025 User Group Meeting

Save the date October 2025 RAMP User Group Meeting
Oct 20 - 24, 2025, All day

Real ID (Domestic U.S. Visitors) & Passport / Security Requirements

  • Read more about October 2025 User Group Meeting

SIERRA ATD Release

Announcement
SIERRA ATD has released. This computer code contains updated versions of ARCON, PAVAN, and XOQDOQ
  • Read more about SIERRA ATD Release

RADTRAD v5.1.0 Release

Announcement
A new version of SNAP/RADTRAD has been released.
  • Read more about RADTRAD v5.1.0 Release

SIERRA ATD User Guide

  • Read more about SIERRA ATD User Guide

V+ Frequently Asked Questions

  • Read more about V+ Frequently Asked Questions

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Radiation Protection Computer Code Analysis and Maintenance Program

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U.S. NRC Links

  • U.S. NRC Website
  • NRC SECY 14-0117
  • NRC Research Activities
  • NRC Information Digest
  • NRC Regulations Title 10, Code of Federal Regulations
  • Research Activities FY 2018-2020 (NUREG-1925, Revision 4)

Recent News

Announcement
RADTRAD v5.1.1 Release
August 22, 2025
Save the date October 2025 RAMP User Group Meeting
October 2025 User Group Meeting
June 27, 2025
Announcement
SIERRA ATD Release
May 05, 2025
The RAMP Website is developed under the sponsorship of the
US Nuclear Regulatory Commission.
The RAMP Website is developed under the sponsorship of the US Nuclear Regulatory Commission.

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