HB 420 Utah House · 2025 General Session

Halogen Emissions Amendments

HB 420 requires Utah's Division of Air Quality to create a plan reducing harmful halogen emissions from major sources, specifically magnesium smelters, mines, or extractors in Box Elder, Davis, Salt Lake, Tooele, Utah, and Weber counties. The bill mandates the division to develop a "best available control technology" emissions reduction plan for these facilities, with implementation required by December 31, 2026. It also requires the division to submit annual reports on halogen emissions and plan effectiveness to the Natural Resources, Agriculture, and Environment Interim Committee by October 31 each year. The bill makes no changes to funding and takes effect May 7, 2025.
Bill status signed all 5 stages cleared
Introduction
Feb 2025
Committee Review
Mar 2025
House Passage
Mar 2025
Senate Passage
Mar 2025
Signed into Law
Mar 2025
Introduced Feb 6, 2025 Signed Mar 26, 2025
Maddy AI version diff · 4 comparisons

What changed between versions

Amended 2/24/2025 16:02:108 Substitute #1 · 3 edits
MINOR
This bill substitutes a new version of HB 420 that amends Utah Code 19-2a-107 regarding halogen emissions. The primary changes involve formatting updates and minor text corrections, with no substantive policy changes to the requirements, deadlines, or scope of the original bill.
Scope change
No change in scope or applicability; the bill continues to apply to the same six counties and same types of facilities.
TECHNICAL

Minor formatting and text corrections throughout the document, including standardizing section numbering and correcting some line breaks.

Changed 'Environment Interim Committee' to 'Environmental Interim Committee' in one instance for consistency.

Adjusted some punctuation and spacing in the definitions and requirements sections.

Floor votes

How they voted

This bill passed the Senate by voice vote (no roll call recorded).
Full legislative history

Actions timeline

Total actions
41
Key actions
8
Committee
6
Amendments
1
Mar 26, 2025
Signed into law
Governor Signed
executive
Mar 6, 2025
Legislature · Passed
House/ signed by Speaker/ sent for enrolling
legislature
Mar 6, 2025
Lower · Passed
Senate/ signed by President/ returned to House
lower
Mar 5, 2025
Upper · Passed
Senate/ committee report favorable
upper
Mar 4, 2025
Upper · Passed
Senate Comm - Favorable Recommendation
upper
Feb 26, 2025
Committee
Senate/ to standing committee
upper
Feb 25, 2025
Introduced
Senate/ 1st reading (Introduced)
upper
Feb 24, 2025
Upper · Passed
House/ passed 3rd reading
upper
Feb 24, 2025
Introduced
House/ floor amendment
lower
Feb 18, 2025
Lower · Passed
House/ committee report favorable
lower
Feb 18, 2025
Lower · Passed
House Comm - Favorable Recommendation
lower
Feb 11, 2025
Committee
House/ to standing committee
lower
Feb 6, 2025
Introduced
House/ 1st reading (Introduced)
lower
1 primary · 1 co-sponsor

Sponsors