Tooele Chemical Agent Disposal Facility
E278857
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Tooele Chemical Agent Disposal Facility canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T2574400 — 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: Tooele Chemical Agent Disposal Facility Context triple: [U.S. Chemical Demilitarization Program, primarySites, Tooele Chemical Agent Disposal Facility]
-
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.
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.
Waste Isolation Pilot Plant
The Waste Isolation Pilot Plant is a deep geological repository in New Mexico designed for the long-term disposal of transuranic radioactive waste from U.S. nuclear weapons production.
-
D.
Pantex Plant
Pantex Plant is a U.S. nuclear weapons facility in Texas responsible for the assembly, disassembly, and maintenance of the nation’s nuclear warheads.
-
E.
Nevada Test and Training Range
The Nevada Test and Training Range is a vast U.S. Air Force training and bombing range in southern Nevada used for advanced military exercises and weapons testing.
- 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: Tooele Chemical Agent Disposal Facility Target entity description: 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.
-
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.
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.
Waste Isolation Pilot Plant
The Waste Isolation Pilot Plant is a deep geological repository in New Mexico designed for the long-term disposal of transuranic radioactive waste from U.S. nuclear weapons production.
-
D.
Pantex Plant
Pantex Plant is a U.S. nuclear weapons facility in Texas responsible for the assembly, disassembly, and maintenance of the nation’s nuclear warheads.
-
E.
Nevada Test and Training Range
The Nevada Test and Training Range is a vast U.S. Air Force training and bombing range in southern Nevada used for advanced military exercises and weapons testing.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army installation
ⓘ
chemical weapons destruction facility ⓘ |
| associatedWithProgram |
U.S. Army Chemical Demilitarization Program
ⓘ
linked to:
U.S. Chemical Demilitarization Program
|
| closureDate | 2012 ⓘ |
| compliedWith | Chemical Weapons Convention ⓘ |
| constructedBy |
United States Army Corps of Engineers
ⓘ
linked to:
U.S. Army Corps of Engineers
|
| constructionStartDate | 1989 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| destroyedMaterial |
artillery shells containing chemical agents
ⓘ
bulk containers of chemical agents ⓘ land mines containing chemical agents ⓘ lewisite-contaminated mustard agent ⓘ mustard agent ⓘ nerve agent GB (sarin) ⓘ nerve agent VX ⓘ rockets containing chemical agents ⓘ |
| distanceToSaltLakeCity | approximately 45 miles southwest ⓘ |
| endOfOperations | 2012 ⓘ |
| environmentalPermit | Resource Conservation and Recovery Act permit ⓘ |
| impact | contributed to U.S. compliance with international chemical disarmament obligations ⓘ |
| locatedInFacility | Deseret Chemical Depot storage area ⓘ |
| location |
Deseret Chemical Depot
ⓘ
linked to:
Tooele Army Depot
Tooele County, Utah ⓘ |
| nearbyCity |
Salt Lake City, Utah
ⓘ
linked to:
Salt Lake City
Tooele, Utah ⓘ |
| notableFor | first large-scale U.S. continental chemical weapons incineration facility ⓘ |
| openingDate | 1996 ⓘ |
| operator | United States Army ⓘ |
| oversightBy |
U.S. Environmental Protection Agency
ⓘ
Utah Department of Environmental Quality ⓘ |
| ownedBy | United States Department of the Army ⓘ |
| partOf |
U.S. Army Chemical Materials Agency
ⓘ
linked to:
U.S. Army Chemical Materials Activity
U.S. chemical weapons disposal program ⓘ |
| primaryFunction | destruction of chemical weapons ⓘ |
| reasonForConstruction | elimination of aging and obsolete chemical munitions ⓘ |
| safetyFeature |
extensive monitoring for agent releases
ⓘ
multiple redundant pollution abatement systems ⓘ |
| safetyRecord | operated without a major off-site release of chemical agent ⓘ |
| safetyStandard | designed to minimize risk to workers and surrounding communities ⓘ |
| significance | destroyed the largest share of the original U.S. unitary chemical weapons stockpile ⓘ |
| startOfOperations | August 1996 ⓘ |
| state | Utah ⓘ |
| status | closed ⓘ |
| statusAfterClosure | undergoing decontamination and decommissioning ⓘ |
| stockpileShareDestroyed | approximately 44 percent of the original U.S. chemical weapons stockpile ⓘ |
| task |
incineration of chemical agents
ⓘ
neutralization of chemical munitions ⓘ |
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: Tooele Chemical Agent Disposal Facility Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.