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Education · Toxic exposure and presumptive

PACT Act and Gulf War Claims

Quick summary
The PACT Act expanded presumptive conditions for veterans exposed to burn pits and other toxins. Gulf War veterans have separate presumptive rules.
What this guide covers
  • The PACT Act overview
  • VA research on Gulf War era health
  • The PACT Act jet fuels study
  • Other VA studies relevant to Gulf War claims
  • Before you file a PACT Act claim, ask
By the editorial deskUpdated Sep 18, 2026Sources verified Jul 5, 2026

The PACT Act is the largest expansion of presumptive benefits in a generation, and it gets misread in both directions. It did not make every deployment-related illness presumptive, and a condition that is presumptive is not automatic. You still have to prove the diagnosis and the qualifying service. What the law actually did is move the hardest element, the nexus, off your shoulders for the listed conditions.

The PACT Act overview

The PACT Act of 2022 significantly expanded VA presumptive conditions for veterans exposed to burn pits, Agent Orange, and other airborne hazards across many locations and time periods.

Locations and time periods commonly covered

Iraq, Afghanistan, Saudi Arabia, Kuwait, Bahrain, Qatar, the United Arab Emirates, Yemen, and other Southwest Asia theaters from August 2, 1990 onward, plus certain other locations and time periods listed by VA.

Common PACT Act presumptive conditions

Many cancers including brain, glioblastoma, head and neck, gastrointestinal, kidney, lymphatic, lymphoma, pancreatic, reproductive, respiratory, and melanoma. Also asthma diagnosed after service, chronic bronchitis, chronic obstructive pulmonary disease, chronic rhinitis, chronic sinusitis, constrictive bronchiolitis, granulomatous disease, interstitial lung disease, pleuritis, pulmonary fibrosis, and sarcoidosis.

Gulf War undiagnosed illnesses

Gulf War veterans have a separate presumption under 38 CFR 3.317 for undiagnosed illnesses and medically unexplained chronic multisymptom illnesses such as fibromyalgia, chronic fatigue syndrome, and functional gastrointestinal disorders, when the symptoms appeared during qualifying service or by a specified date afterward and persisted for at least six months.

What veterans typically need to file

Service records and DD-214 showing qualifying deployment, a current diagnosis when the condition is named on the presumptive list, and continuity of symptoms documentation for chronic multisymptom illnesses.

Why presumption does not guarantee approval

Presumption does not guarantee service connection. The evidence still has to show the condition exists and meets the criteria for the specific code. An accredited representative can help match your service history to the presumption rules.

VA research on Gulf War era health

Two pieces of official research are worth knowing, both because they shape policy and because they can help you put language to symptoms at an exam.

The Gulf War Era Cohort study. VA runs the largest and longest running health study of veterans who served during the 1990 to 1991 Gulf War, recontacting the same cohort in 1995, 2005, 2012, and 2024. It compares deployed Gulf War veterans with era veterans who did not deploy, which is how VA tracks the long arc of chronic multisymptom illness across decades.

The jet fuels literature review. VA published a focused review of the research on jet fuel exposure, covering JP-4, JP-5, JP-8, and Jet A. The review found evidence pointing to possible effects on memory, hearing, vision, attention, mood, and lung function, alongside the short term skin, eye, and airway irritation that fuel handlers know well. If your duties kept you around fuels, flight lines, or fuel cells, say so in your claim and at your C&P exam. Exposure history is exactly the kind of detail that connects symptoms to service.

The PACT Act jet fuels study

Section 510 of the PACT Act required VA to study the health effects of the jet fuels the military uses. VA delivered the report, Health Effects of Jet Fuels Used by Armed Forces, to Congress on September 15, 2023. It found slight evidence tying JP-4, JP-5, JP-8, and Jet A exposure to memory, hearing, mood, and lung function effects, plus kidney and bladder cancer signals that were not conclusive.

Jet fuel exposure is not presumptive, so the report matters mostly as claim evidence. The findings, the separate VA study on auditory processing dysfunction, and how to use both in a direct service connection claim are covered in our dedicated guide: Jet fuel exposure, what VA's own research actually shows.

Other VA studies relevant to Gulf War claims

VA's epidemiology program runs a full catalog of studies on post-9/11 and Gulf War era health. A few that matter for claims:

  • The K2 Surveillance Program (launched 2022) tracks health outcomes for veterans who deployed to Karshi-Khanabad in Uzbekistan, a site with documented chemical and radiological contamination. K2 veterans are covered by the PACT Act's expanded eligibility.
  • The National Health Study for a New Generation of U.S. Veterans follows tens of thousands of OEF/OIF veterans on health, exposures, and care use.
  • VA's burn pit research portfolio includes multiple in-depth studies of airborne hazards in Iraq and Afghanistan, alongside the Airborne Hazards and Open Burn Pit Registry, which any eligible veteran can join for free.
  • Gulf War neurologic research compares hundreds of thousands of deployed and non-deployed veterans and examines elevated risks for ALS, multiple sclerosis, Parkinson's disease, and brain cancer. ALS is already presumptive for veterans with 90 days of continuous active service.

Before any exam, it helps to walk in with your exposure story organized. Our printable exposure history checklist is built for exactly that.

Before you file a PACT Act claim, ask

  • Do my deployment locations and dates match the PACT Act list, or does my illness belong under the separate 38 CFR 3.317 route for undiagnosed and multisymptom conditions?
  • Is my condition actually on the presumptive list, with a current diagnosis documented in the record?
  • Do my DD-214 and personnel records prove the qualifying service, or do I need to request them first?
  • Is my exposure story organized (locations, duties, burn pit proximity) before the C&P exam, and is it recorded through the free toxic exposure screening or the burn pit registry?
  • For a chronic multisymptom illness, do my records show the six months of chronicity the rule requires?

Related on this site

VA presumptive exposure windows, by location and era

Sources: 38 CFR 3.307, 38 CFR 3.309, 38 USC 1117, 38 USC 1787, PACT Act of 2022
19501960197019801990200020102020Agent Orange, VietnamJan 9, 1962 to May 7, 1975Agent Orange, Korean DMZApr 1, 1968 to Aug 31, 1971Agent Orange, Thailand basesJan 9, 1962 to May 7, 1975Atomic Veterans (Radiation)WW2 testing to atmospheric ban, 1945-1962Camp Lejeune waterAug 1, 1953 to Dec 31, 1987Gulf War (Persian Gulf)Aug 2, 1990 to presentBurn Pits + PACT ActAug 2, 1990 to present
Each band shows the qualifying service window for that presumption. Veterans with service during ANY part of the window may qualify. Some presumptions also have a minimum boots-on-ground duration (e.g. Camp Lejeune requires 30+ cumulative days during the window).

Common questions

What conditions did the PACT Act make presumptive?

Many cancers, including brain, head and neck, gastrointestinal, kidney, lymphatic, pancreatic, reproductive, respiratory, and melanoma, plus respiratory illnesses such as asthma diagnosed after service, chronic bronchitis, COPD, chronic rhinitis, chronic sinusitis, constrictive bronchiolitis, interstitial lung disease, pulmonary fibrosis, and sarcoidosis.

Which deployments qualify under the PACT Act?

Southwest Asia service from August 2, 1990 onward (Iraq, Saudi Arabia, Kuwait, Bahrain, Qatar, the UAE, and other theater locations) and post September 11, 2001 service in Afghanistan, Djibouti, Egypt, Jordan, Lebanon, Syria, Yemen, Uzbekistan, and other listed locations.

What is the Gulf War undiagnosed illness presumption?

A separate rule at 38 CFR 3.317 covers chronic disabilities from undiagnosed illnesses and medically unexplained chronic multisymptom illnesses such as fibromyalgia, chronic fatigue syndrome, and functional gastrointestinal disorders, when symptoms appeared during qualifying service or by the specified date afterward and persisted for at least six months.

Does a presumption guarantee my claim is approved?

No. The evidence still has to show the condition exists and meets the criteria for the specific diagnostic code, and qualifying deployment must be documented in service records. Presumption removes the nexus hurdle, not the diagnosis or service requirements.

Is jet fuel exposure covered?

Jet fuel exposure is not presumptive. VA's own PACT Act mandated report to Congress found slight evidence tying JP-4, JP-5, JP-8, and Jet A exposure to memory, hearing, mood, and lung function effects, so the report matters mostly as evidence in a direct service connection claim. If your duties kept you around fuels or flight lines, say so in the claim and at the C&P exam.

For questions about your specific ratings or decision, contact your Veterans Service Officer (VSO), an accredited claims agent, or an accredited attorney. Browse the accredited representative directory or verify a representative's accreditation before sharing your records.
This is an educational estimate and not a guarantee of benefits, ratings, or back pay. VA makes all final determinations. We are not a law firm, VSO, accredited claims agent, or VA representative. We provide educational information only and encourage veterans to seek accredited help for individual claim advice. The Veteran Benefit Desk™ is a veteran founded independent digital publication and education platform that helps veterans understand VA disability claims, ratings, evidence, and appeals using clear explanations, original research, and cited public sources.
Printed from The Veteran Benefit Desk, https://veteranbenefitdesk.com/education/pact-act-and-gulf-war-claims. Figures reflect this page as published. Rates change each December; confirm current amounts at veteranbenefitdesk.com before relying on them.
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