regulatoryAir Emissions RuleWashington, D.C., United Statesstable 81.3

EPA finalizes updated standards for large municipal waste combustors

EPA signed a final rule updating emissions standards and compliance requirements for large municipal waste combustors. The action determines the regulatory framework under which major trash-burning facilities continue operating and controlling hazardous emissions.

curated-2026launch-packepaair-pollutionwaste-combustorsrulemakingpublic-health

Published

3/5/2026

Current public event date

Source base

1 sources

Evidence records attached to this event

Actor field

3 ranked

Actors currently scored in public view

Incident links

Analyses connected to this incident

Editorial note

Curated from EPA's prepublication final rule on large municipal waste combustors.

Published

3/5/2026

Current public event date

Source base

1 sources

Evidence records attached to this event

Actor field

3 ranked

Actors currently scored in public view

Incident links

Analyses connected to this incident

Event harm

63.4

Overall event-level harm score

Top culpability

42.0

EPA leadership

Confidence

81.3

How stable the current public reading is

Top responsibility

66.2

Highest actor responsibility before event harm is applied

Event harm

Harm context

The public harm score is grounded in who bears the harm, what protections are in play, and the broader social fallout.

Who is harmed

The people, communities, or institutions whose safety, rights, or daily conditions are changed by the event.

Rights or laws at risk

Public-health protections, environmental safeguards, and community safety standards are on the line.

Societal impact

The decision can quickly alter agency practice, compliance burdens, and the real-world risk carried by the people subject to it.

Overview

Highest ranked actor

Start with the strongest current attribution before moving into the full ranking and supporting detail.

EPA leadership

Rank #1 with the highest weighted culpability in the current public reading.

Culpability

42.0

Weighted contribution

Confidence

88.0

Attribution stability

Rank #1authorizeragencyUnited States

EPA leadership

Ranked in the public field as a authorizer with a current responsibility band of meaningful.

stable 88.0

Responsibility

66.2

Actor-level role score before event harm is applied.

Culpability

42.0

Final contribution after event harm weighting.

Confidence

88.0

Current stability of the attribution.

Evidence links

Attached source links for this actor.

Why this actor is ranked here

EPA leadership owns the decision to finalize the emissions framework, giving it the clearest authorizing role in how the rule shapes combustor operations.

1 evidence link

Chart views

Score breakdown

Switch between ranked culpability, top-actor dimension mix, contribution balance, and revision timeline.

Ranked actors

Actors represented in the ladder and contribution views.

Top actor

EPA leadership

Highest-ranked actor in the current public reading.

Revisions

Entries contributing to the synthetic timeline chart.

Active chart

Ladder

Current visualization mode.

Ranked field

Other ranked actors

Review the rest of the ranked field, with confidence warnings and supporting detail for each actor.

Rank #2executoragencyUnited States

EPA rulemaking staff

Ranked in the public field as a executor with a current responsibility band of meaningful.

stable 84.0

Responsibility

57.6

Actor-level role score before event harm is applied.

Culpability

36.5

Final contribution after event harm weighting.

Confidence

84.0

Current stability of the attribution.

Evidence links

Attached source links for this actor.

Why this actor is ranked here

EPA rulemaking staff carry the operational burden of writing, publishing, and administering the updated combustor standards.

1 evidence link

Rank #3beneficiaryinstitutionUnited States

Large municipal waste combustor sector

Ranked in the public field as a beneficiary with a current responsibility band of peripheral.

supported 72.0

Responsibility

45.8

Actor-level role score before event harm is applied.

Culpability

29.0

Final contribution after event harm weighting.

Confidence

72.0

Current stability of the attribution.

Evidence links

Attached source links for this actor.

Why this actor is ranked here

Combustor operators are not the rule's authors, but they are the regulated sector whose operating framework is defined by the final EPA action.

1 evidence link

Event harm

Harm context

This section grounds the event-harm score in the affected people, the protections at risk, and the broader downstream impact.

Who is harmed

The people, communities, or institutions whose safety, rights, or daily conditions are changed by the event.

Rights or laws at risk

Public-health protections, environmental safeguards, and community safety standards are on the line.

Societal impact

The decision can quickly alter agency practice, compliance burdens, and the real-world risk carried by the people subject to it.

Overview

Responsibility ladder

Review the full ranking, scoring breakdowns, and confidence context for each public claim.

Chart views

Score breakdown

Switch between ranked culpability, top-actor dimension mix, contribution balance, and revision timeline.

Ranked actors

Actors represented in the ladder and contribution views.

Top actor

EPA leadership

Highest-ranked actor in the current public reading.

Revisions

Entries contributing to the synthetic timeline chart.

Active chart

Ladder

Current visualization mode.

Rank #1

EPA leadership

authorizer

42.0

Culpability

Responsibility

66.2

Confidence

88.0

Rank #2

EPA rulemaking staff

executor

36.5

Culpability

Responsibility

57.6

Confidence

84.0

Rank #3

Large municipal waste combustor sector

beneficiary

29.0

Culpability

Responsibility

45.8

Confidence

72.0


#1	EPA leadership	authorizer	66.2	42.0	88.0
#2	EPA rulemaking staff	executor	57.6	36.5	84.0
#3	Large municipal waste combustor sector	beneficiary	45.8	29.0	72.0

Rank #1authorizeragencyUnited States

EPA leadership

Ranked in the public field as a authorizer with a current responsibility band of meaningful.

stable 88.0

Responsibility

66.2

Actor-level role score before event harm is applied.

Culpability

42.0

Final contribution after event harm weighting.

Confidence

88.0

Current stability of the attribution.

Evidence links

Attached source links for this actor.

Why this actor is ranked here

EPA leadership owns the decision to finalize the emissions framework, giving it the clearest authorizing role in how the rule shapes combustor operations.

1 evidence link

Rank #2executoragencyUnited States

EPA rulemaking staff

Ranked in the public field as a executor with a current responsibility band of meaningful.

stable 84.0

Responsibility

57.6

Actor-level role score before event harm is applied.

Culpability

36.5

Final contribution after event harm weighting.

Confidence

84.0

Current stability of the attribution.

Evidence links

Attached source links for this actor.

Why this actor is ranked here

EPA rulemaking staff carry the operational burden of writing, publishing, and administering the updated combustor standards.

1 evidence link

Rank #3beneficiaryinstitutionUnited States

Large municipal waste combustor sector

Ranked in the public field as a beneficiary with a current responsibility band of peripheral.

supported 72.0

Responsibility

45.8

Actor-level role score before event harm is applied.

Culpability

29.0

Final contribution after event harm weighting.

Confidence

72.0

Current stability of the attribution.

Evidence links

Attached source links for this actor.

Why this actor is ranked here

Combustor operators are not the rule's authors, but they are the regulated sector whose operating framework is defined by the final EPA action.

1 evidence link