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S 3529

A bill to protect clean air and public health by expanding fenceline and ambient air monitoring and access to air quality information for communities affected by air pollution, to require hazardous air pollutant monitoring at the fenceline of facilities whose emissions are linked to local health threats, to ensure the Environmental Protection Agency promulgates rules that require hazardous air pollutant data measurement and electronic submission at fencelines and stacks of industrial source categories, to expand and strengthen the national ambient air quality monitoring network, to deploy air quality systems in communities affected by air pollution, and for other purposes.

119th Congress Introduced by Tammy Duckworth and 6 co-sponsors

Expands fenceline and ambient air monitoring and HAP data at stacks, requires electronic submissions, boosts EPA rulemaking, and improves public access to air quality.

Introduced in Senate
1
WeVote Research Nonpartisan
Bill Summary · S 3529

Bill Summary: S 3529

Overview

S 3529 is a Senate bill introduced on January 28, 2025, aiming to strengthen air quality monitoring and transparency to protect public health. The bill focuses on expanding fenceline and ambient air monitoring, requiring data collection at pollutant sources, enhancing EPA rulemaking on hazardous air pollutants (HAPs), and expanding the national ambient air quality monitoring network with targeted deployment in communities affected by air pollution.

Purpose and Intent

  • Improve protection of clean air and public health by increasing measurement and access to air quality information.
  • Ensure hazardous air pollutants are monitored at source (fencelines and stacks) in facility categories tied to local health threats.
  • Strengthen EPA authority to establish rules mandating measurement and electronic submission of HAP data from industrial sources.
  • Expand and modernize air quality monitoring infrastructure, with a focus on communities disproportionately affected by pollution.

Key Provisions (as described)

  • Fenceline and Ambient Monitoring Expansion:

    • Expand fenceline monitoring around facilities whose emissions are linked to local health threats.
    • Expand and strengthen the National Ambient Air Quality Monitoring Network (NAAQMN).
    • Deploy air quality systems in communities affected by air pollution.

  • Hazardous Air Pollutant (HAP) Monitoring Requirements:

    • Require hazardous air pollutant data measurement at the fenceline of applicable facilities.
    • Require HAP data measurement at stacks for specified industrial source categories.
    • Mandate electronic submission of HAP data to appropriate agencies (EPA) as part of regulatory requirements.

  • EPA Rulemaking and Regulatory Authority:

    • Direct EPA to promulgate rules that require HAP data measurement and electronic submission for fencelines and stacks of identified industrial source categories.

  • Community Accessibility and Transparency:

    • Improve access to air quality information for communities impacted by pollution.

Who/What Would Be Affected

  • Industrial facilities and their operations, particularly those emitting hazardous air pollutants or linked to local health threats.
  • The Environmental Protection Agency (EPA) through rulemaking obligations.
  • State, local, and tribal air quality programs coordinating data collection and public disclosure.
  • Communities located near monitored facilities or within expanded monitoring networks.

Procedural and Timeline Aspects

  • Status: Introduced in the Senate (January 28, 2025).
  • Early Actions:
    • Referred to Local Government (two instances) on January 28, 2025.
  • Later Actions:
    • On December 17, 2025, read twice and referred to the Committee on Environment and Public Works (also listed as introduced on that date).
  • Sponsors:
    • Primary: Senator Robert Ortt
    • Co-sponsor: Senator George Borrello
  • Related Bills (previous sessions): S 535, S 6369, S 1985, S 604, S 1724, S 6217 (listed as prior-session references).

Potential Impact

  • Enhanced data collection and transparency for air quality, enabling communities to understand local pollution sources and health risks.
  • Strengthened regulatory framework for monitoring hazardous air pollutants at the point of emission (fencelines and stacks).
  • Improved public health protection through more comprehensive monitoring coverage and faster data reporting.
  • Possible operational implications for facilities required to implement additional monitoring and electronic data submission.

Notes

  • As of the latest actions, the bill is in committee review within the Senate (Environment and Public Works) after initial referrals, with ongoing consideration of its provisions and potential regulatory implementing steps.

Compiled from official sources — confirm details with the bill’s official record.

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