Understanding the VA’s Timeline on Presumptive Herbicide Exposure

Use our herbicide exposure timeline to understand whether your condition should be presumptive due to agent orange exposure based on date the VA acknowledged the condition or location. If you believe your disability should be presumptive to agent orange exposure, you may need to refile, reopen, or appeal a past decision.

We highlight specific conditions and locations that were added by the PACT act below as well.

Date Disabilities Became Subject to Presumptive Service Connection Based Herbicide Exposure

Pact Act

Denotes changes created by the Pact Act.

February 5, 1991

  • Chloracne or other acne-form disease soft tissue sarcoma other than:
    • Osteosarcoma
    • Chondrosarcoma
    • Kaposi’s sarcoma
    • Mesothelioma

February 6, 1991

  • Non-Hodgkin’s lymphoma (NHL)

February 3, 1994

  • Porphyria cutanea tarda (PCT)
  • Hodgkin’s disease

May 8, 2001

  • Type 2 diabetes mellitus

November 7, 1996

  • Respiratory cancers of the:
    • lung
    • bronchus
    • larynx
    • trachea
  • Multiple myeloma

June 9, 1994

  • Prostate cancer
  • Acute and subacute peripheral neuropathy

October 16, 2003

  • Chronic lymphocytic leukemia (CLL)

May 7, 2009

  • AL amyloidosis

August 31, 2010

  • Ischemic heart disease (IHD)
  • Chronic B-cell leukemia
  • Parkinson’s disease
  • Hodgkin’s disease

January 10, 2022

  • Monoclonal gammopathy of undetermined significance (MGUS)Pact Act
  • HypertensionPact Act

January 1, 2021

  • Parkinsonism
  • Bladder cancer

September 6, 2013

  • Early-onset peripheral neuropathy

Locations and Time-frames Associated with Herbicide Exposure

Pact Act

Denotes changes created by the Pact Act.

Exposure in Vietnam

Vietnam In-Country

January 9, 1962 to May 7, 1975

Blue Water Navy

January 9, 1962 to May 7, 1975

C-123 Aircraft

There is a presumption of herbicide exposure associated with certain C-123 aircraft activities, but these claims generally fall under the jurisdiction of the St. Paul RO as discussed in M21-1, Part VIII, Subpart i, 1.A.2

Exposure in Thailand

Thailand Pact Act

At any United States or Royal Thai base, without regard to where on the base the Veteran was located or what military occupational specialty (MOS) the Veteran performed

Exposure in Vietnam

C-123 Aircraft

There is a presumption of herbicide exposure associated with certain C-123 aircraft activities, but these claims generally fall under the jurisdiction of the St. Paul RO as discussed in M21-1, Part VIII, Subpart i, 1.A.2

Vietnam In-Country

January 9, 1962 to May 7, 1975

Blue Water Navy

January 9, 1962 to May 7, 1975

Exposure in Thailand

Thailand Pact Act

At any United States or Royal Thai base, without regard to where on the base the Veteran was located or what military occupational specialty (MOS) the Veteran performed

Exposure in Korean DMZ

Korean DMZ

September 1, 1967 to August 31, 1971

Exposure in Laos

Laos Pact Act

December 1, 1965 to September 30, 1969

Exposure in Cambodia

Cambodia Pact Act

April 16, 1969 to April 30, 1969
At Mimot or Krek, Kampong Cham Province

Exposure in Korean DMZ
Exposure in Laos
Exposure in Cambodia

Korean DMZ

September 1, 1967 to
August 31, 1971

Laos Pact Act

December 1, 1965 to
September 30, 1969

Cambodia Pact Act

April 16, 1969 to April 30, 1969
At Mimot or Krek, Kampong Cham Province

Exposure in Guam and American Samoa

Guam or American Samoa Pact Act

January 9, 1962 to July 31, 1980

Or in the territorial waters thereof

Exposure in Johnston Atoll

Johnston Atoll Pact Act

January 9, 1962 to July 31, 1980

Or on a ship that called at Johnston Atoll

Exposure in Guam and American Samoa
Exposure in Johnston Atoll

Guam or American Samoa Pact Act

January 9, 1962 to July 31, 1980

Or in the territorial waters thereof

Johnston Atoll Pact Act

January 9, 1962 to July 31, 1980

Or on a ship that called at Johnston Atoll

VA Denied Your Claim?

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