Newport Chemical Depot
E281066
Newport Chemical Depot was a former U.S. Army installation in Indiana that stored and later destroyed part of the nation’s chemical weapons stockpile.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Newport Army Ammunition Plant | 2 |
| Newport Chemical Agent Disposal Facility | 1 |
| Newport Chemical Depot canonical | 1 |
| Newport Chemical Depot (former U.S. Army facility) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2574414 — 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: Newport Chemical Depot Context triple: [U.S. Chemical Demilitarization Program, stockpileLocations, Newport Chemical Depot]
-
A.
Pueblo Chemical Depot
Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
-
B.
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.
-
C.
Anniston Army Depot
Anniston Army Depot is a major U.S. Army facility in Alabama known for storing, maintaining, and demilitarizing military munitions, including chemical weapons.
-
D.
Tooele Chemical Agent Disposal Facility
The Tooele Chemical Agent Disposal Facility was a major U.S. Army installation in Utah responsible for safely destroying a large portion of the nation’s stockpile of chemical weapons.
-
E.
Blue Grass Army Depot
Blue Grass Army Depot is a U.S. Army facility in Kentucky known for storing and destroying portions of the nation's chemical weapons stockpile.
- 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: Newport Chemical Depot Target entity description: Newport Chemical Depot was a former U.S. Army installation in Indiana that stored and later destroyed part of the nation’s chemical weapons stockpile.
-
A.
Pueblo Chemical Depot
Pueblo Chemical Depot is a U.S. Army installation in Colorado historically used for the storage and destruction of chemical weapons.
-
B.
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.
-
C.
Anniston Army Depot
Anniston Army Depot is a major U.S. Army facility in Alabama known for storing, maintaining, and demilitarizing military munitions, including chemical weapons.
-
D.
Tooele Chemical Agent Disposal Facility
The Tooele Chemical Agent Disposal Facility was a major U.S. Army installation in Utah responsible for safely destroying a large portion of the nation’s stockpile of chemical weapons.
-
E.
Blue Grass Army Depot
Blue Grass Army Depot is a U.S. Army facility in Kentucky known for storing and destroying portions of the nation's chemical weapons stockpile.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army installation
ⓘ
chemical weapons storage facility ⓘ |
| area | approximately 7,000 acres ⓘ |
| chemicalWeaponsDestructionEndDate | 2008 ⓘ |
| chemicalWeaponsDestructionMethod | neutralization ⓘ |
| chemicalWeaponsDestructionStartDate | 2005 ⓘ |
| closureDate | 2010 ⓘ |
| conflictAssociatedWith | Cold War ⓘ |
| constructionStartDate | 1941 ⓘ |
| controlledBy |
United States Army Chemical Materials Agency
ⓘ
linked to:
U.S. Army Chemical Materials Activity
|
| coordinateSystem | geographic coordinates in Indiana, United States ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| dateDissolved | 2010 ⓘ |
| environmentalRegulation | subject to U.S. Environmental Protection Agency oversight ⓘ |
| formerName |
Newport Army Ammunition Plant
ⓘ
linked to:
Newport Chemical Depot
|
| function |
destruction of chemical weapons
ⓘ
storage of chemical weapons ⓘ |
| garrison | civilian and military workforce ⓘ |
| heritage | World War II-era ordnance production site ⓘ |
| inception | 1941 ⓘ |
| locatedInTimeZone | Eastern Time Zone ⓘ |
| locatedOnWaterbody | near the Wabash River ⓘ |
| location |
Vermillion County, Indiana
ⓘ
near Newport, Indiana ⓘ |
| militaryBranch | United States Army ⓘ |
| notableEvent | completion of VX nerve agent destruction in 2008 ⓘ |
| operator | United States Army ⓘ |
| originalName | Wabash River Ordnance Works ⓘ |
| ownedBy | United States Department of the Army ⓘ |
| partOf |
United States chemical weapons stockpile
ⓘ
linked to:
U.S. Chemical Demilitarization Program
|
| partOfProgram |
U.S. Army Chemical Materials Demilitarization Program
ⓘ
linked to:
U.S. Chemical Demilitarization Program
|
| postClosureUse |
commercial development
ⓘ
industrial development ⓘ recreational use ⓘ |
| primaryChemicalAgentStored | VX nerve agent ⓘ |
| reasonForClosure | completion of chemical weapons destruction mission ⓘ |
| safetyMeasure | secure perimeter and restricted access ⓘ |
| state | Indiana ⓘ |
| status | closed ⓘ |
| typeOfWeaponStored | nerve agent munitions ⓘ |
| usedFor |
production of explosives during World War II
ⓘ
production of heavy water during World War II ⓘ storage of VX nerve agent during the Cold War ⓘ |
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: Newport Chemical Depot Description of subject: Newport Chemical Depot was a former U.S. Army installation in Indiana that stored and later destroyed part of the nation’s chemical weapons stockpile.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Newport Chemical Depot
linked to: Newport Chemical Depot
linked to: Newport Chemical Depot
linked to: Newport Chemical Depot