All Roll Calls
Yes: 113 • No: 80
Sponsored By: Vandana Slatter (Democratic)
Became Law
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4 provisions identified: 3 benefits, 1 costs, 0 mixed.
Qualifying aerospace factories using a total-emissions baseline must get extra free allowances when higher production pushes emissions above that baseline. Their industry code must begin with 3364. They cannot switch to an emissions-per-unit benchmark until the next compliance period. For facilities seeking more free allowances, Ecology may consider their emissions-reduction assessments, but an increase is not guaranteed.
Covered factories’ emissions-reduction assessments are fully exempt from public disclosure. Ecology may release combined summaries only when they do not reveal protected information about individual facilities. Ecology cannot require new permanent greenhouse-gas submeters for emissions calculations or these assessments. It keeps its authority to require permanent submeters for other purposes.
Beginning June 11, 2026, covered manufacturers qualify for free emissions allowances through listed industry codes or Ecology’s emissions-intensity and trade-exposure rules. Listed codes use classifications in effect January 1, 2026. They include codes beginning with 331, 322, 3364, 321, 327, 325, 334, and 311, plus 327310, 324110, 324121, 324122, and 324199. If lawmakers have not adopted a schedule for January 1, 2035, through January 1, 2050, facilities keep their 2031–2034 allowance levels. This continues until lawmakers adopt a new schedule.
Covered emissions-intensive, trade-exposed factories must submit emissions data and reduction assessments by December 1, 2028, and every four years afterward. Assessments must identify technically feasible projects possible within five to 10 years and evaluate their costs. They must cover technology, process needs, greenhouse gases, other air pollutants, construction and operating costs, timelines, and project barriers. An independent licensed professional engineer must review and certify the information and the process used to identify projects. The engineer cannot be employed by, under contract with, or share ownership with the facility or related entities. Ecology sets submission rules, and failure to comply can bring penalties.
Vandana Slatter
Democratic • Senate
Rebecca Saldaña
Democratic • Senate
Sharon Shewmake
Democratic • Senate
All Roll Calls
Yes: 113 • No: 80
Senate vote • 3/10/2026
Final Passage as Amended by the House
Yes: 29 • No: 20
House vote • 3/6/2026
Final Passage as Amended by the House
Yes: 57 • No: 38 • Other: 3
Senate vote • 2/12/2026
3rd Reading & Final Passage
Yes: 27 • No: 22
Effective date 6/11/2026.
Chapter 253, 2026 Laws PV.
Governor partially vetoed.
Delivered to Governor.
Speaker signed.
President signed.
Passed final passage; yeas, 29; nays, 20; absent, 0; excused, 0.
Senate concurred in House amendments.
Third reading, passed; yeas, 57; nays, 38; absent, 0; excused, 3.
Rules suspended. Placed on Third Reading.
Floor amendment(s) adopted.
Committee amendment not adopted.
Rules Committee relieved of further consideration. Placed on second reading.
APP - Executive action taken by committee.
Minority; without recommendation.
Minority; do not pass.
APP - Majority; do pass with amendment(s) by Environment & Energy.
Referred to Rules 2 Review.
Referred to Appropriations.
ENVI - Majority; do pass with amendment(s).
Minority; do not pass.
ENVI - Executive action taken by committee.
First reading, referred to Environment & Energy.
Third reading, passed; yeas, 27; nays, 22; absent, 0; excused, 0.
Rules suspended. Placed on Third Reading.
Session Law
4/1/2026
Bill as Passed Legislature
3/13/2026
Engrossed Bill
2/12/2026
Original Bill
1/21/2026
SB 6260, Implementing efficiencies and programming changes in public education.
SB 6231, Removing a tax exemption for the replacement of equipment for data centers.
SB 6228, Removing a tax exemption for the warehousing and reselling of prescription drugs.
SB 6003, Concerning the capital budget.
SB 5998, Making 2025-2027 fiscal biennium supplemental operating appropriations.
HB 2681, Modifying cannabis producer, processor, and retailer license fees.