Pantex Plant
E112612
Pantex Plant is a U.S. nuclear weapons facility in Texas responsible for the assembly, disassembly, and maintenance of the nation’s nuclear warheads.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pantex Plant canonical | 5 |
| Pantex | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T906281 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Pantex Plant Context triple: [National Nuclear Security Administration, oversees, Pantex Plant]
-
A.
Y-12 National Security Complex
The Y-12 National Security Complex is a U.S. Department of Energy facility central to nuclear weapons production, uranium processing, and national security operations.
-
B.
Paducah Gaseous Diffusion Plant
The Paducah Gaseous Diffusion Plant is a former U.S. Department of Energy uranium enrichment facility in western Kentucky that played a major role in producing enriched uranium for nuclear power and defense.
-
C.
Savannah River Site
Savannah River Site is a U.S. Department of Energy nuclear reservation in South Carolina historically used for producing materials for nuclear weapons and now focused on environmental cleanup and nuclear materials management.
-
D.
Idaho National Engineering Laboratory
Idaho National Engineering Laboratory is a major U.S. nuclear research and development facility in Idaho known for pioneering reactor technologies and nuclear energy innovations.
-
E.
Oak Ridge Reservation
Oak Ridge Reservation is a large U.S. Department of Energy site in Oak Ridge, Tennessee, historically central to the Manhattan Project and now a major center for nuclear research, environmental management, and national security work.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Pantex Plant Target entity description: Pantex Plant is a U.S. nuclear weapons facility in Texas responsible for the assembly, disassembly, and maintenance of the nation’s nuclear warheads.
-
A.
Y-12 National Security Complex
The Y-12 National Security Complex is a U.S. Department of Energy facility central to nuclear weapons production, uranium processing, and national security operations.
-
B.
Paducah Gaseous Diffusion Plant
The Paducah Gaseous Diffusion Plant is a former U.S. Department of Energy uranium enrichment facility in western Kentucky that played a major role in producing enriched uranium for nuclear power and defense.
-
C.
Savannah River Site
Savannah River Site is a U.S. Department of Energy nuclear reservation in South Carolina historically used for producing materials for nuclear weapons and now focused on environmental cleanup and nuclear materials management.
-
D.
Idaho National Engineering Laboratory
Idaho National Engineering Laboratory is a major U.S. nuclear research and development facility in Idaho known for pioneering reactor technologies and nuclear energy innovations.
-
E.
Oak Ridge Reservation
Oak Ridge Reservation is a large U.S. Department of Energy site in Oak Ridge, Tennessee, historically central to the Manhattan Project and now a major center for nuclear research, environmental management, and national security work.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
United States Department of Energy facility
ⓘ
nuclear weapons assembly plant ⓘ nuclear weapons facility ⓘ |
| alsoKnownAs |
Pantex Plant
ⓘ
surface form:
Pantex
|
| area | approximately 16,000 acres ⓘ |
| associatedWith | United States nuclear deterrent ⓘ |
| constructionStart | 1942 ⓘ |
| coordinates | 35.312°N 101.536°W ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| county | Carson County, Texas ⓘ |
| employerOf | thousands of workers ⓘ |
| environmentalConcern | groundwater contamination issues ⓘ |
| governedBy | United States federal law ⓘ |
| hasFunction |
high explosives testing related to nuclear weapons
ⓘ
nuclear weapons component staging ⓘ storage of plutonium pits ⓘ surveillance of nuclear warheads ⓘ |
| historicalUse | conventional bomb plant during World War II ⓘ |
| listedAs | Superfund site ⓘ |
| location | near Amarillo, Texas ⓘ |
| managingOrganization | National Nuclear Security Administration ⓘ |
| nearCity | Amarillo, Texas ⓘ |
| notableFor | being the primary U.S. nuclear weapons assembly and disassembly facility ⓘ |
| opened | 1942 ⓘ |
| operator | National Nuclear Security Administration ⓘ |
| ownedBy |
U.S. Department of Energy
ⓘ
surface form:
United States Department of Energy
|
| partOf | United States nuclear weapons complex ⓘ |
| primaryMission | ensure safety, security, and reliability of the U.S. nuclear weapons stockpile ⓘ |
| regulator |
Defense Nuclear Facilities Safety Board
ⓘ
United States Environmental Protection Agency ⓘ |
| reopened | 1951 ⓘ |
| reopenedFor | nuclear weapons assembly after World War II ⓘ |
| responsibleFor |
assembly of U.S. nuclear warheads
ⓘ
disassembly of U.S. nuclear warheads ⓘ life-extension work on nuclear warheads ⓘ maintenance of U.S. nuclear warheads ⓘ nuclear weapons dismantlement ⓘ |
| safetyFocus |
prevention of accidental nuclear detonation
ⓘ
radiological protection of workers and public ⓘ safe handling of high explosives ⓘ |
| sector |
national security
ⓘ
nuclear industry ⓘ |
| securityLevel | high-security facility ⓘ |
| state | Texas ⓘ |
| subjectTo |
federal environmental regulations
ⓘ
nuclear safety regulations ⓘ |
| superfundProgram | Comprehensive Environmental Response, Compensation, and Liability Act ⓘ |
| website | https://pantex.energy.gov ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Pantex Plant Description of subject: Pantex Plant is a U.S. nuclear weapons facility in Texas responsible for the assembly, disassembly, and maintenance of the nation’s nuclear warheads.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pantex