Kerr-McGee Cimarron Fuel Fabrication Site
E796583
The Kerr-McGee Cimarron Fuel Fabrication Site was a nuclear fuel production facility in Oklahoma best known for its association with whistleblower Karen Silkwood and the ensuing controversies over worker safety and plutonium contamination.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Kerr-McGee Cimarron Fuel Fabrication Site canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9394784 — 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: Kerr-McGee Cimarron Fuel Fabrication Site Context triple: [Karen Silkwood, employer, Kerr-McGee Cimarron Fuel Fabrication Site]
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A.
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.
-
B.
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.
-
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.
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.
-
E.
Hanford Site, Washington
Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.
- 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: Kerr-McGee Cimarron Fuel Fabrication Site Target entity description: The Kerr-McGee Cimarron Fuel Fabrication Site was a nuclear fuel production facility in Oklahoma best known for its association with whistleblower Karen Silkwood and the ensuing controversies over worker safety and plutonium contamination.
-
A.
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.
-
B.
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.
-
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.
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.
-
E.
Hanford Site, Washington
Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
industrial facility
ⓘ
nuclear fuel fabrication plant ⓘ |
| associatedEvent |
Karen Silkwood plutonium contamination
ⓘ
Karen Silkwood wrongful death lawsuit ⓘ |
| associatedWith | Karen Silkwood NERFINISHED ⓘ |
| cleanupResponsibility | successors of Kerr-McGee Corporation ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| endDate | 1970s ⓘ |
| environmentalConcern |
groundwater contamination
ⓘ
soil contamination ⓘ |
| environmentalStatus | contaminated site ⓘ |
| handledMaterial |
plutonium
ⓘ
uranium ⓘ |
| hasHistoricalSignificance |
U.S. nuclear safety regulation history
ⓘ
whistleblower protection history in the nuclear industry ⓘ |
| hasIssue |
plutonium worker contamination
ⓘ
radioactive waste management concerns ⓘ |
| hasLegacy |
influence on nuclear regulatory reforms
ⓘ
public awareness of nuclear worker safety ⓘ |
| industry | nuclear industry ⓘ |
| locatedIn |
Logan County, Oklahoma
NERFINISHED
ⓘ
Oklahoma NERFINISHED ⓘ |
| locatedNear | Crescent, Oklahoma NERFINISHED ⓘ |
| monitoredBy | United States Environmental Protection Agency NERFINISHED ⓘ |
| near | Cimarron River NERFINISHED ⓘ |
| notableFor |
plutonium contamination incidents
ⓘ
whistleblowing case involving Karen Silkwood ⓘ worker safety controversies ⓘ |
| operatedBy | Kerr-McGee Corporation NERFINISHED ⓘ |
| ownedBy | Kerr-McGee Corporation NERFINISHED ⓘ |
| partOf | Kerr-McGee nuclear operations NERFINISHED ⓘ |
| primaryProduct | nuclear fuel ⓘ |
| regulator |
United States Atomic Energy Commission
NERFINISHED
ⓘ
United States Nuclear Regulatory Commission NERFINISHED ⓘ |
| relatedWorkplace | Kerr-McGee plutonium plant GENERATED ⓘ |
| startDate | 1960s ⓘ |
| status | closed ⓘ |
| subjectOf |
environmental cleanup efforts
ⓘ
litigation related to Karen Silkwood ⓘ occupational safety investigations ⓘ |
| usedFor |
fabrication of mixed-oxide fuel
ⓘ
fabrication of plutonium fuel pins ⓘ |
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: Kerr-McGee Cimarron Fuel Fabrication Site Description of subject: The Kerr-McGee Cimarron Fuel Fabrication Site was a nuclear fuel production facility in Oklahoma best known for its association with whistleblower Karen Silkwood and the ensuing controversies over worker safety and plutonium contamination.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.