No IRIS Act of 2025
- Bill Number
- S. 623
- Origin Chamber
- Senate
- Congress
- 119th Congress, Session 1
- Policy Area
- Environmental Protection
- Status
- Introduced
- Latest Action
- 2025-02-18: Read twice and referred to the Committee on Environment and Public Works.
- Last Updated
- 2025-12-18T12:03:18Z
AI-Generated Summary
Purpose
The "No IRIS Act of 2025" aims to restrict the Environmental Protection Agency (EPA) from relying on scientific assessments produced by its own Integrated Risk Information System (IRIS) program. IRIS is an EPA tool that evaluates potential health risks from exposure to chemicals and other environmental hazards. The bill seeks to prevent these assessments from serving as foundational evidence in EPA decision-making processes.
Key Provisions
- Prohibition on Use of IRIS Assessments: The EPA Administrator is barred from using any IRIS-generated assessment as the basis for:
- Developing, finalizing, or issuing rules or regulations.
- Conducting other regulatory, enforcement, or permitting actions (e.g., inspections, penalties, or approvals for activities like factory operations).
- Informing air toxics assessments or tools for mapping and screening environmental risks (e.g., identifying polluted areas).
- Scope: This restriction applies regardless of other existing laws, making it a broad override.
- Short Title: The legislation is officially named the "No IRIS Act of 2025."
Significant Changes to Existing Law
- Previously, the EPA could freely incorporate IRIS assessments into its regulatory processes under laws like the Clean Air Act or Toxic Substances Control Act, treating them as reliable scientific data.
- This bill introduces an absolute prohibition, removing IRIS as a permissible data source for key actions. It does not alter IRIS's existence or funding but effectively sidelines its outputs in EPA operations, potentially requiring the agency to seek alternative data sources for risk evaluations.
Potential Impacts
- On Government Agencies: The EPA would face challenges in justifying regulations, enforcements, or permits without IRIS data, possibly slowing down or weakening environmental rule-making. Other federal agencies relying on EPA data might also be indirectly affected.
- On Citizens: Public health protections could be reduced if EPA regulations become less robust, potentially increasing exposure risks to hazardous substances. However, it might streamline permitting, benefiting communities near regulated facilities through faster approvals.
- On International Relations: Minimal direct impact, though it could influence U.S. credibility in global environmental agreements (e.g., on chemical safety) by limiting the use of established U.S. risk assessment tools.
- Broader Effects: Industries might experience fewer restrictions, leading to cost savings, while environmental monitoring tools could become less precise without IRIS inputs.
Main Stakeholders Affected
- Environmental Protection Agency (EPA): Directly constrained in its scientific and regulatory toolkit.
- Industries and Businesses: Potentially benefit from reduced regulatory burdens, especially sectors like manufacturing, chemicals, and energy that face EPA oversight.
- Environmental and Public Health Advocacy Groups: Likely opposed, as they rely on IRIS for evidence-based protections against pollution.
- General Public and Communities: Affected through changes in air and water quality regulations, with possible trade-offs between health safeguards and economic activity.
- Scientific Community: Researchers and toxicologists who contribute to IRIS may see their work deprioritized in policy applications.
Notable Legal, Constitutional, or Political Implications
- Legal Implications: The bill's "notwithstanding any other provision of law" clause could lead to challenges in court, as it overrides statutes authorizing EPA's use of scientific data. It might require EPA to develop new guidelines for data sourcing, raising questions about administrative procedure under the Administrative Procedure Act.
- Constitutional Implications: No direct violation apparent, but it could spark debates on Congress's authority to micromanage agency science (separation of powers) or limit executive branch discretion in environmental protection.
- Political Implications: Positions the legislation as a check on federal overreach, appealing to those favoring deregulation. It may polarize debates on science in policy, with critics arguing it undermines evidence-based governance while supporters view it as preventing unreliable assessments from driving costly rules. The bill was introduced by Sen. Kennedy and referred to the Senate Committee on Environment and Public Works, indicating focus on environmental policy reform.
This summary was generated by AI and may contain inaccuracies. Refer to the official source document for the authoritative text.
Sponsor
Cosponsors (3)
Sen. Wicker, Roger F. [R-MS], Sen. Tuberville, Tommy [R-AL], Sen. Budd, Ted [R-NC]
Recent Actions
- 2025-02-18: Read twice and referred to the Committee on Environment and Public Works.
- 2025-02-18: Introduced in Senate
Bill Versions
- No IRIS Act of 2025 — issued 2025-02-18 — PDF (2 pages)