CSAPR
E647504
CSAPR (Cross-State Air Pollution Rule) is a U.S. Environmental Protection Agency regulation designed to reduce interstate air pollution from power plants by limiting emissions that contribute to fine particulate matter and ozone in downwind states.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Cross-State Air Pollution Rule | 5 |
| CSAPR canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T7188571 — 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: CSAPR Context triple: [Clean Air Interstate Rule, replacedByAbbreviation, CSAPR]
-
A.
Clean Air Interstate Rule
The Clean Air Interstate Rule was a U.S. Environmental Protection Agency regulation aimed at reducing interstate air pollution from power plants, particularly sulfur dioxide and nitrogen oxides that contribute to fine particulate matter and ozone.
-
B.
Clean Air Markets Division
Clean Air Markets Division is a program office within the U.S. Environmental Protection Agency that oversees market-based regulatory programs to reduce air pollution from power plants and other large sources.
-
C.
Acid Rain Program
The Acid Rain Program is a U.S. federal regulatory initiative that uses a cap-and-trade system to reduce sulfur dioxide and nitrogen oxide emissions from power plants in order to combat acid rain and improve air quality.
-
D.
Prevention of Significant Deterioration program
The Prevention of Significant Deterioration program is a U.S. air quality permitting system that limits emissions from new or modified major pollution sources in areas that already meet national air quality standards.
-
E.
Office of Air Quality Planning and Standards
The Office of Air Quality Planning and Standards is a division of the U.S. Environmental Protection Agency responsible for developing national programs, policies, and regulations to control air pollution and protect air quality.
- 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: CSAPR Target entity description: CSAPR (Cross-State Air Pollution Rule) is a U.S. Environmental Protection Agency regulation designed to reduce interstate air pollution from power plants by limiting emissions that contribute to fine particulate matter and ozone in downwind states.
-
A.
Clean Air Interstate Rule
The Clean Air Interstate Rule was a U.S. Environmental Protection Agency regulation aimed at reducing interstate air pollution from power plants, particularly sulfur dioxide and nitrogen oxides that contribute to fine particulate matter and ozone.
-
B.
Clean Air Markets Division
Clean Air Markets Division is a program office within the U.S. Environmental Protection Agency that oversees market-based regulatory programs to reduce air pollution from power plants and other large sources.
-
C.
Acid Rain Program
The Acid Rain Program is a U.S. federal regulatory initiative that uses a cap-and-trade system to reduce sulfur dioxide and nitrogen oxide emissions from power plants in order to combat acid rain and improve air quality.
-
D.
Prevention of Significant Deterioration program
The Prevention of Significant Deterioration program is a U.S. air quality permitting system that limits emissions from new or modified major pollution sources in areas that already meet national air quality standards.
-
E.
Office of Air Quality Planning and Standards
The Office of Air Quality Planning and Standards is a division of the U.S. Environmental Protection Agency responsible for developing national programs, policies, and regulations to control air pollution and protect air quality.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf | United States federal regulation ⓘ |
| abbreviation | CSAPR ⓘ |
| addresses |
long-range transport of air pollutants
ⓘ
regional air quality problems ⓘ |
| administeredBy | U.S. Environmental Protection Agency ⓘ |
| aim |
to limit emissions that contribute to fine particulate matter in downwind states
ⓘ
to limit emissions that contribute to ground-level ozone in downwind states ⓘ to reduce interstate air pollution from power plants ⓘ |
| appliesTo | fossil fuel-fired power plants ⓘ |
| associatedWith | National Ambient Air Quality Standards ⓘ |
| complianceInstrument |
emission allowances
ⓘ
emission budgets for states ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| designedBy | U.S. Environmental Protection Agency ⓘ |
| environmentalImpact |
reduces emissions that contribute to acid deposition
ⓘ
reduces emissions that contribute to regional haze ⓘ |
| focusesOn | upwind states whose emissions affect downwind states ⓘ |
| fullName |
Cross-State Air Pollution Rule
ⓘ
linked to:
CSAPR
|
| goal | to help states attain and maintain National Ambient Air Quality Standards ⓘ |
| healthImpactAddressed |
premature mortality from air pollution
ⓘ
respiratory illnesses from ozone and particulate matter ⓘ |
| implements | interstate transport requirements of the Clean Air Act ⓘ |
| isTypeOf | cap-and-trade program ⓘ |
| jurisdiction |
United States
ⓘ
linked to:
United States of America
|
| legalBasis | Clean Air Act ⓘ |
| legalConcept | good neighbor provision of the Clean Air Act ⓘ |
| mechanism |
emissions trading
ⓘ
state emission budgets ⓘ |
| objective | to reduce health impacts from fine particulate matter and ozone pollution ⓘ |
| policyArea |
air quality management
ⓘ
environmental regulation ⓘ |
| protects | downwind states ⓘ |
| regulates | cross-state transport of air pollution ⓘ |
| regulatingAgency | United States Environmental Protection Agency ⓘ |
| regulatoryType |
emission cap-and-trade rule
ⓘ
market-based environmental regulation ⓘ |
| relatedTo |
Acid Rain Program
ⓘ
Clean Air Interstate Rule ⓘ NOx SIP Call ⓘ |
| replaced | Clean Air Interstate Rule ⓘ |
| sector | electric power sector ⓘ |
| subject |
air pollution control
ⓘ
interstate air pollution ⓘ power plant emissions ⓘ |
| targetsEffect |
fine particulate matter (PM2.5)
ⓘ
ground-level ozone ⓘ |
| targetsPollutant |
nitrogen oxides
ⓘ
sulfur dioxide ⓘ |
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: CSAPR Description of subject: CSAPR (Cross-State Air Pollution Rule) is a U.S. Environmental Protection Agency regulation designed to reduce interstate air pollution from power plants by limiting emissions that contribute to fine particulate matter and ozone in downwind states.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.