TRU Rulemaking Activity
Contact
Electronic version of complete regulation effective October 1, 2022
- Final Regulation Order
- Alternate/Accessible Version of Final Regulation Order ~Provided for increased accessibility purposes only~
For the official text of the Airborne Toxic Control Measure for In-Use Diesel-Fueled Transport Refrigeration Units (TRU) and TRU Generator Sets, and Facilities Where TRUs Operate filed with the Secretary of State, visit California Code of Regulations - Westlaw.
Nonsubstantial Changes to Title 9, Sections 2477, 2477.5, 2477.12, 2477.17, 2477.21, and 2477.24 (Endorsed and Approved: January 2, 2026)
- Nonsubstantial Changes to Title 9, Sections 2477, 2477.5, 2477.12, 2477.17, 2477.21, and 2477.24
- Alternate Format to the Nonsubstantial Changes to Title 13, California Code of Regulations~Provided for increased accessibility purposes only~
2022 Amendments to the TRU ATCM
Amendments to the TRU ATCM were approved by the Office of Administrative Law on July 18, 2022. The amendments became effective on October 1, 2022.
- 2022 Rulemaking Documents including the Final Regulation Order (underline/strikeout), Final Statement of Reasons, and other documents
- Standardized Regulatory Impact Assessment (SRIA) for the 2022 Amendments to the TRU ATCM
Archive
If you are unable to access any documents on the following pages, please contact arber@arb.ca.gov and request a copy of the document(s).
2011 Amendments to the TRU ATCM
- 2011 Rulemaking Documents including the Final Regulation Order (underline/strikeout), Final Statement of Reasons, and other documents
2010 Amendments to the TRU ATCM
- 2010 Rulemaking Documents including the Final Regulation Order (underline/strikeout), Final Statement of Reasons, and other documents
2004 Transport Refrigeration Unit ATCM
- 2004 Rulemaking Documents including the Final Regulation Order (underline/strikeout), Final Statement of Reasons, and other documents