Pine Bluff Arsenal
E278860
Pine Bluff Arsenal is a U.S. Army installation in Arkansas that historically served as a major site for the storage and destruction of chemical weapons and related munitions.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Pine Bluff Arsenal canonical | 2 |
| Pine Bluff Chemical Agent Disposal Facility | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2574413 — 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: Pine Bluff Arsenal Context triple: [U.S. Chemical Demilitarization Program, stockpileLocations, Pine Bluff Arsenal]
-
A.
Picatinny Arsenal
Picatinny Arsenal is a U.S. Army research, development, and manufacturing facility in New Jersey specializing in advanced weaponry and munitions systems.
-
B.
Dugway Proving Ground
Dugway Proving Ground is a large U.S. Army facility in Utah primarily used for testing chemical, biological, radiological, and defense systems in a remote desert environment.
-
C.
Hawthorne Army Depot
Hawthorne Army Depot is a major U.S. Army munitions storage and demilitarization facility located near the town of Hawthorne in Mineral County, Nevada.
-
D.
Pueblo Chemical Depot
Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
-
E.
Fort Leonard Wood, Missouri
Fort Leonard Wood, Missouri is a major U.S. Army training installation known for its engineer, chemical, and military police schools.
- 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: Pine Bluff Arsenal Target entity description: Pine Bluff Arsenal is a U.S. Army installation in Arkansas that historically served as a major site for the storage and destruction of chemical weapons and related munitions.
-
A.
Picatinny Arsenal
Picatinny Arsenal is a U.S. Army research, development, and manufacturing facility in New Jersey specializing in advanced weaponry and munitions systems.
-
B.
Dugway Proving Ground
Dugway Proving Ground is a large U.S. Army facility in Utah primarily used for testing chemical, biological, radiological, and defense systems in a remote desert environment.
-
C.
Hawthorne Army Depot
Hawthorne Army Depot is a major U.S. Army munitions storage and demilitarization facility located near the town of Hawthorne in Mineral County, Nevada.
-
D.
Pueblo Chemical Depot
Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
-
E.
Fort Leonard Wood, Missouri
Fort Leonard Wood, Missouri is a major U.S. Army training installation known for its engineer, chemical, and military police schools.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf | United States Army installation ⓘ |
| associatedWith |
U.S. Army Chemical Corps
ⓘ
U.S. Army Materiel Command ⓘ |
| chemicalAgentsStored |
GB (sarin)
ⓘ
VX ⓘ mustard agent ⓘ |
| controlledBy | United States Army ⓘ |
| country | United States of America ⓘ |
| currentUse |
conventional munitions and defense manufacturing
ⓘ
storage and logistics for Army materiel ⓘ |
| environmentalProgram | chemical weapons demilitarization ⓘ |
| era | World War II ⓘ |
| established | 1941 ⓘ |
| garrison | civilian and military workforce ⓘ |
| hasFunction |
chemical defense support
ⓘ
industrial manufacturing ⓘ logistics support ⓘ storage depot ⓘ |
| hasSecurityLevel | high-security military installation ⓘ |
| hazardCategory | former chemical weapons storage site ⓘ |
| locatedIn | Jefferson County, Arkansas ⓘ |
| locatedNear | Pine Bluff, Arkansas ⓘ |
| locatedOn | approximately 13000 acres ⓘ |
| mission |
maintenance of military materiel
ⓘ
production of conventional munitions ⓘ production of protective equipment ⓘ production of pyrotechnic munitions ⓘ production of riot control agents ⓘ production of smoke munitions ⓘ storage of military supplies ⓘ |
| nearWaterBody | Arkansas River ⓘ |
| notableFacility | Pine Bluff Chemical Agent Disposal Facility ⓘ |
| notableRole |
destruction of U.S. chemical weapons
ⓘ
destruction of chemical munitions ⓘ storage of U.S. chemical weapons ⓘ storage of chemical munitions ⓘ |
| operator | United States Army ⓘ |
| originalPurpose |
production of chemical warfare agents
ⓘ
production of incendiary munitions ⓘ production of pyrotechnics ⓘ |
| oversight |
U.S. Army Chemical Materials Activity
ⓘ
surface form:
U.S. Army Chemical Materials Agency
|
| ownedBy | United States Department of the Army ⓘ |
| participatedInProgram |
U.S. Chemical Demilitarization Program
ⓘ
surface form:
U.S. Chemical Stockpile Disposal Program
|
| partOf | U.S. Army Materiel Command ⓘ |
| partOfNetwork | U.S. Army ammunition plants and arsenals ⓘ |
| region |
Southern United States
ⓘ
surface form:
Southeastern United States
|
| state | Arkansas ⓘ |
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: Pine Bluff Arsenal Description of subject: Pine Bluff Arsenal is a U.S. Army installation in Arkansas that historically served as a major site for the storage and destruction of chemical weapons and related munitions.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Pine Bluff Chemical Agent Disposal Facility