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PTSD: National Center for PTSD


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Nuclear, Biological and Chemical Exposures Scale



This section is for Researchers, Providers, & Helpers

Nuclear, Biological, or Chemical Exposures Scale

Scale in the Deployment Risk and Resilience Inventory-2
DRRI-2 Section: F
Survey Label: "Exposure to Nuclear, Biological, or Chemical Agents"


Measures exposure to an array of nuclear, biological, and chemical agents that the Veteran believes he/she encountered while serving in the war zone, such as disease prophylaxis, environmental, and weaponry-related agents.

Sample Item

  • Item: While I was deployed, I was exposed to mustard gas or other blistering agents.
  • Response: Polytomous Items (0 = "No"; 1 = "Not sure"; 2 = "Yes")

To Obtain Scale

This measure was created by staff at VA's National Center for PTSD.

Download the Deployment Risk and Resilience Inventory-2:

Are you using this measure with U.S. Veterans or Servicemembers?

Our PTSD Consultation Program can answer administration or scoring questions: or 866-948-7880.

Measure availability: Information on measures is available to everyone. However, the assessment tools themselves can only be distributed to qualified mental health professionals and researchers. We maintain measures developed by affiliated staff of the National Center for PTSD.

Date this content was last updated is at the bottom of the page.

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Also see: VA Mental Health