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PTSD: National Center for PTSD

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Nuclear, Biological and Chemical Exposures Scale


Nuclear, Biological, and Chemical Exposures Scale

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


Endorsed 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 Items

  • While I was deployed, I was exposed to mustard gas or other blistering agents.
  • While I was deployed, I was exposed to depleted uranium in munitions.
  • While I was deployed, I was exposed to nuclear, biological, or chemical weapons.

Response Format

Polytomous Items (0 = No; 1 = Not sure; 2 = Yes)

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.

See Assessment Measures Specifically for VA Providers and Staff to download the DRRI scales and manual.

For Non-VA Providers: please complete the online request form to obtain the DRRI-2.

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

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Where to Get Help for PTSD

Using the PILOTS database for Assessment Information
The PILOTS database is the largest electronic index to the world's literature on traumatic stress.

The National Center for PTSD does not provide direct clinical care, individual referrals or benefits information.

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