the pact act agent orange exposure

Agent Orange was used as a tactical herbicide to defoliate the thick vegetation during the Vietnam War.

The PACT Act has added five locations that now qualify as presumptive for Agent Orange exposure, meaning that if you served for any length of time at one of the below locations during the required time period, VA presumes that you were exposed to the herbicide.

Between January 9, 1962, and May 7, 1975, you must have served for any length of time in at least one of these locations:

  • In the Republic of Vietnam, or
  • Aboard a U.S. military vessel that operated in the inland waterways of Vietnam, or
  • On a U.S. vessel operating not more than 12 nautical miles seaward from the demarcation line of the waters of Vietnam and Cambodia

Or, one of the following must be true:

  • You served in or near the Korean DMZ for any length of time between September 1, 1967, and August 31, 1971, or
  • You served on active duty in a regular Air Force unit location where a C-123 aircraft with traces of Agent Orange was assigned, and had repeated contact with this aircraft due to your flight, ground, or medical duties, or
  • You were involved in transporting, testing, storing, or other uses of Agent Orange during your military service, or
  • You were assigned as a Reservist to certain flight, ground, or medical crew duties at one of the locations listed here

Eligible Reserve locations, time periods, and units include:

  • Lockbourne/Rickenbacker Air Force Base in Ohio, 1969 to 1986 (906th and 907th Tactical Air Groups or 355th and 356th Tactical Airlift Squadrons)
  • Westover Air Force Base in Massachusetts, 1972 to 1982 (731st Tactical Air Squadron and 74th Aeromedical Evacuation Squadron, or 901st Organizational Maintenance Squadron)
  • Pittsburgh International Airport in Pennsylvania, 1972 to 1982 (758th Airlift Squadron)

The PACT Act has added the following five locations and corresponding time periods as presumptive for Agent Orange exposure:

  • Any U.S. or Royal Thai military base in Thailand
    • January 9, 1962 through June 30, 1976, or
  • Laos
    • December 1, 1965, through September 30, 1969, or
  • Cambodia at Mimot or Krek, Kampong Cham Province
    • April 16, 1969 through April 30, 1969, or
  • Guam or American Samoa or in the territorial waters off Guam or American Samoa
    • January 9, 1962 through July 30, 1980, or
  • Johnston Atoll or on a ship that called at Johnston Atoll
    • January 1, 1972 through September 30, 1977

Exposure to Agent Orange has been proven to be linked to certain illnesses and cancers, known as “presumptive conditions” because VA presumes that the medical condition is due to toxic exposure during military service. The PACT Act added two new presumptive medical conditions to the list of cancers and illnesses presumed to be due to Agent Orange exposure:

  • Hypertension (high blood pressure)
  • Monoclonal gammopathy of undetermined significance (MGUS)

(To see the full list of conditions presumptive to Agent Orange exposure)

If you were exposed to Agent Orange and have one of the presumptive medical conditions in the list above, you may be eligible for VA disability compensation.

  • You can find out more about filing a claim for VA disability benefits by clicking here. Make sure to fill out the form completely and respond to any requests from VA for additional information about your medical conditions or treatment.


If you were previously denied service connection for one of the locations/conditions listed above, you can now refile by submitting VA Form 21-526EZ to VA.

**The information contained in this post is not updated after the date initially posted.  For the most up-to-date information, please check VA’s website.**

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