VA BENEFITS REFERENCE
Paducah, Portsmouth And Oak Ridge K25 Gaseous Diffusion Plants Presumptive Service Reference
Read the listed service dates and 21 condition pathways for Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants, with source-specific limits and official citations.
This location group preserves the places and activity limits stated together in the source. It is not an individual service-history assessment. Conditions, dates and legal pathways must be read together.
| Condition | Exposure | Listed Service Locations | Service Dates | Criteria And Sources |
|---|---|---|---|---|
| Leukemia other than chronic lymphocytic leukemia | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Thyroid cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Breast cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Pharyngeal cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Esophageal cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Stomach cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Small intestine cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Pancreatic cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Multiple myeloma | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Lymphomas other than Hodgkin's disease | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Bile duct cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Gallbladder cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Primary liver cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. The presumption excludes cases indicating cirrhosis or hepatitis B. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Salivary gland cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Urinary tract cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Urinary tract means kidneys, renal pelves, ureters, urinary bladder and urethra. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Bronchiolo-alveolar carcinoma | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Bone cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Brain cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Colon cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Lung cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
| Ovarian cancer | Radiation | Paducah, Portsmouth and Oak Ridge K25 gaseous diffusion plants | At least 250 days before February 1, 1992 | VA lists this disease for a radiation-exposed veteran who participated in a defined radiation-risk activity during active duty or qualifying Reserve training. No disease-specific onset deadline appears in 38 CFR 3.309(d); rebuttal rules apply. Official military duties on plant grounds; each counted day requires dosimetry monitoring or duties with comparable exposure to monitored jobs. Any portion of a calendar day counts. 38 CFR 3.309(d). Verified 2026-10-25. Source 1 |
Related Condition References
- Leukemia other than chronic lymphocytic leukemia
- Thyroid cancer
- Breast cancer
- Pharyngeal cancer
- Esophageal cancer
- Stomach cancer
- Small intestine cancer
- Pancreatic cancer
- Multiple myeloma
- Lymphomas other than Hodgkin's disease
- Bile duct cancer
- Gallbladder cancer
- Primary liver cancer
- Salivary gland cancer
- Urinary tract cancer
- Bronchiolo-alveolar carcinoma
- Bone cancer
- Brain cancer
- Colon cancer
- Lung cancer
- Ovarian cancer
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Official Sources
Last verified 2026-10-25. Source publication or legal effective dates are shown separately where available.
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