Savannah River Site
E18199
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.
All labels observed (12)
How this entity was disambiguated
This entity first appeared as the object of triple T63595 — 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: Savannah River Site Context triple: [United States Atomic Energy Commission, oversawFacility, Savannah River Site]
-
A.
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.
-
B.
Oak Ridge National Laboratory
Oak Ridge National Laboratory is a major U.S. Department of Energy research facility in Tennessee known for its pioneering work in nuclear science, energy technologies, and advanced materials.
-
C.
Washington River Protection Solutions
Washington River Protection Solutions is a U.S. Department of Energy contractor responsible for managing and remediating radioactive and hazardous tank waste at the Hanford nuclear site in Washington State.
-
D.
K-West Reactor
K-West Reactor is one of the plutonium production reactors at the Hanford Site in Washington State, historically used to support the U.S. nuclear weapons program.
-
E.
Oak Ridge, Tennessee
Oak Ridge, Tennessee is a city historically known as a major secret research and production center for nuclear materials during World War II.
- 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: Savannah River Site Target entity description: 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.
-
A.
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.
-
B.
Oak Ridge National Laboratory
Oak Ridge National Laboratory is a major U.S. Department of Energy research facility in Tennessee known for its pioneering work in nuclear science, energy technologies, and advanced materials.
-
C.
Washington River Protection Solutions
Washington River Protection Solutions is a U.S. Department of Energy contractor responsible for managing and remediating radioactive and hazardous tank waste at the Hanford nuclear site in Washington State.
-
D.
K-West Reactor
K-West Reactor is one of the plutonium production reactors at the Hanford Site in Washington State, historically used to support the U.S. nuclear weapons program.
-
E.
Oak Ridge, Tennessee
Oak Ridge, Tennessee is a city historically known as a major secret research and production center for nuclear materials during World War II.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
United States Department of Energy facility
ⓘ
nuclear reservation ⓘ |
| adjacentTo |
Savannah River Site
self-linksurface differs
ⓘ
surface form:
Savannah River Site National Environmental Research Park
|
| area | approximately 310 square miles ⓘ |
| builtFor | United States Atomic Energy Commission ⓘ |
| constructionStartDate | 1950 ⓘ |
| containsFacility |
Savannah River Site
self-linksurface differs
ⓘ
surface form:
Defense Waste Processing Facility
F Area Tank Farm ⓘ H Canyon ⓘ
surface form:
F Canyon
H Area Tank Farm ⓘ H Canyon ⓘ K Area Complex ⓘ L Area ⓘ Savannah River Site self-linksurface differs ⓘ
surface form:
Salt Waste Processing Facility
Savannah River Site self-linksurface differs ⓘ
surface form:
Savannah River National Laboratory
|
| country |
United States of America
ⓘ
surface form:
United States
|
| environmentalStatus | Superfund site ⓘ |
| formerFacility |
C Reactor
ⓘ
K Reactor ⓘ L Reactor ⓘ P Reactor ⓘ R Reactor ⓘ |
| formerOperator |
DuPont
ⓘ
Westinghouse Savannah River Company ⓘ |
| hasResearchFocus |
environmental remediation
ⓘ
nuclear materials processing ⓘ nuclear nonproliferation technologies ⓘ |
| historicalEra | Cold War ⓘ |
| hosts | Savannah River Ecology Laboratory ⓘ |
| locatedIn |
Aiken County, South Carolina
ⓘ
Barnwell County, South Carolina ⓘ South Carolina ⓘ |
| locatedNear | Savannah River ⓘ |
| nearbyCity |
Aiken County, South Carolina
ⓘ
surface form:
Aiken, South Carolina
Augusta, Georgia ⓘ |
| operator | Savannah River Nuclear Solutions ⓘ |
| ownedBy |
U.S. Department of Energy
ⓘ
surface form:
United States Department of Energy
|
| produced |
plutonium-239
ⓘ
tritium ⓘ |
| producedFor |
United States nuclear weapons complex
ⓘ
surface form:
United States nuclear weapons program
|
| purpose |
environmental cleanup
ⓘ
management of spent nuclear fuel ⓘ nuclear materials management ⓘ production of nuclear materials for nuclear weapons ⓘ radioactive waste management ⓘ tritium production and processing ⓘ |
| regulator |
South Carolina Department of Health and Environmental Control
ⓘ
United States Environmental Protection Agency ⓘ |
| securityLevel | high-security federal facility ⓘ |
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: Savannah River Site Description of subject: 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.
Referenced by (44)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Savannah River National Laboratory
this entity surface form:
Defense Waste Processing Facility
this entity surface form:
Salt Waste Processing Facility
this entity surface form:
Savannah River Site National Environmental Research Park
this entity surface form:
Savannah River Site tritium facilities
this entity surface form:
Savannah River Site K Area
this entity surface form:
Savannah River Site production reactor complex
this entity surface form:
H Area of Savannah River Site
this entity surface form:
Savannah River Site reactor complex
this entity surface form:
Savannah River Site reactor complex
this entity surface form:
Savannah River Site nuclear complex
this entity surface form:
Savannah River Site reactor complex
this entity surface form:
Savannah River Site reactor complex